id	sid	tid	token	lemma	pos
v979v121790	1	1	hydrogen	hydrogen	PROPN
v979v121790	1	2	sulfide	sulfide	PROPN
v979v121790	1	3	(	(	PUNCT
v979v121790	1	4	h2s	h2s	PROPN
v979v121790	1	5	)	)	PUNCT
v979v121790	1	6	is	be	AUX
v979v121790	1	7	an	an	DET
v979v121790	1	8	endogenously	endogenously	ADV
v979v121790	1	9	produced	produce	VERB
v979v121790	1	10	gas	gas	NOUN
v979v121790	1	11	affecting	affect	VERB
v979v121790	1	12	the	the	DET
v979v121790	1	13	mammalian	mammalian	ADJ
v979v121790	1	14	nervous	nervous	ADJ
v979v121790	1	15	system	system	NOUN
v979v121790	1	16	and	and	CCONJ
v979v121790	1	17	smooth	smooth	ADJ
v979v121790	1	18	muscle	muscle	NOUN
v979v121790	1	19	(	(	PUNCT
v979v121790	1	20	sm	sm	PROPN
v979v121790	1	21	)	)	PUNCT
v979v121790	1	22	.	.	PUNCT
v979v121790	2	1	while	while	SCONJ
v979v121790	2	2	mechanisms	mechanism	NOUN
v979v121790	2	3	of	of	ADP
v979v121790	2	4	h2s	h2s	NOUN
v979v121790	2	5	action	action	NOUN
v979v121790	2	6	have	have	AUX
v979v121790	2	7	been	be	AUX
v979v121790	2	8	proposed	propose	VERB
v979v121790	2	9	,	,	PUNCT
v979v121790	2	10	these	these	DET
v979v121790	2	11	models	model	NOUN
v979v121790	2	12	require	require	VERB
v979v121790	2	13	further	further	ADJ
v979v121790	2	14	testing	testing	NOUN
v979v121790	2	15	and	and	CCONJ
v979v121790	2	16	the	the	DET
v979v121790	2	17	biological	biological	ADJ
v979v121790	2	18	role	role	NOUN
v979v121790	2	19	of	of	ADP
v979v121790	2	20	h2s	h2s	NOUN
v979v121790	2	21	within	within	ADP
v979v121790	2	22	the	the	DET
v979v121790	2	23	vasculature	vasculature	NOUN
v979v121790	2	24	remains	remain	VERB
v979v121790	2	25	to	to	PART
v979v121790	2	26	be	be	AUX
v979v121790	2	27	elucidated	elucidate	VERB
v979v121790	2	28	.	.	PUNCT
v979v121790	3	1	the	the	DET
v979v121790	3	2	present	present	ADJ
v979v121790	3	3	study	study	NOUN
v979v121790	3	4	utilized	utilize	VERB
v979v121790	3	5	plasma	plasma	NOUN
v979v121790	3	6	[	[	X
v979v121790	3	7	h2s	h2s	X
v979v121790	3	8	]	]	PUNCT
v979v121790	3	9	measurement	measurement	NOUN
v979v121790	3	10	,	,	PUNCT
v979v121790	3	11	enzymatic	enzymatic	ADJ
v979v121790	3	12	h2s	h2s	NOUN
v979v121790	3	13	production	production	NOUN
v979v121790	3	14	assays	assay	NOUN
v979v121790	3	15	,	,	PUNCT
v979v121790	3	16	and	and	CCONJ
v979v121790	3	17	sm	sm	PROPN
v979v121790	3	18	myography	myography	NOUN
v979v121790	3	19	to	to	PART
v979v121790	3	20	examine	examine	VERB
v979v121790	3	21	the	the	DET
v979v121790	3	22	evolution	evolution	NOUN
v979v121790	3	23	of	of	ADP
v979v121790	3	24	h2s	h2s	NOUN
v979v121790	3	25	as	as	ADP
v979v121790	3	26	a	a	DET
v979v121790	3	27	gasotransmitter	gasotransmitter	NOUN
v979v121790	3	28	and	and	CCONJ
v979v121790	3	29	to	to	PART
v979v121790	3	30	determine	determine	VERB
v979v121790	3	31	its	its	PRON
v979v121790	3	32	mechanism	mechanism	NOUN
v979v121790	3	33	of	of	ADP
v979v121790	3	34	action	action	NOUN
v979v121790	3	35	and	and	CCONJ
v979v121790	3	36	physiological	physiological	ADJ
v979v121790	3	37	role	role	NOUN
v979v121790	3	38	in	in	ADP
v979v121790	3	39	select	select	ADJ
v979v121790	3	40	vertebrate	vertebrate	NOUN
v979v121790	3	41	sm	sm	PROPN
v979v121790	3	42	.	.	PUNCT
v979v121790	4	1	this	this	DET
v979v121790	4	2	study	study	NOUN
v979v121790	4	3	found	find	VERB
v979v121790	4	4	h2s	h2s	PROPN
v979v121790	4	5	vasoactivity	vasoactivity	NOUN
v979v121790	4	6	in	in	ADP
v979v121790	4	7	all	all	DET
v979v121790	4	8	vertebrate	vertebrate	NOUN
v979v121790	4	9	classes	class	NOUN
v979v121790	4	10	ranging	range	VERB
v979v121790	4	11	from	from	ADP
v979v121790	4	12	mono	mono	PROPN
v979v121790	4	13	-	-	PUNCT
v979v121790	4	14	phasic	phasic	ADJ
v979v121790	4	15	relaxation	relaxation	NOUN
v979v121790	4	16	and	and	CCONJ
v979v121790	4	17	contraction	contraction	NOUN
v979v121790	4	18	to	to	ADP
v979v121790	4	19	complex	complex	ADJ
v979v121790	4	20	multi	multi	ADJ
v979v121790	4	21	-	-	ADJ
v979v121790	4	22	phasic	phasic	ADJ
v979v121790	4	23	responses	response	NOUN
v979v121790	4	24	.	.	PUNCT
v979v121790	5	1	various	various	ADJ
v979v121790	5	2	phases	phase	NOUN
v979v121790	5	3	of	of	ADP
v979v121790	5	4	the	the	DET
v979v121790	5	5	muli	muli	NOUN
v979v121790	5	6	-	-	PUNCT
v979v121790	5	7	phasic	phasic	ADJ
v979v121790	5	8	relaxation	relaxation	NOUN
v979v121790	5	9	-	-	PUNCT
v979v121790	5	10	contraction	contraction	NOUN
v979v121790	5	11	-	-	PUNCT
v979v121790	5	12	relaxation	relaxation	NOUN
v979v121790	5	13	response	response	NOUN
v979v121790	5	14	in	in	ADP
v979v121790	5	15	trout	trout	NOUN
v979v121790	5	16	vessels	vessel	NOUN
v979v121790	5	17	were	be	AUX
v979v121790	5	18	sensitive	sensitive	ADJ
v979v121790	5	19	to	to	ADP
v979v121790	5	20	katp	katp	PROPN
v979v121790	5	21	/	/	SYM
v979v121790	5	22	clchannel	clchannel	NOUN
v979v121790	5	23	inhibition	inhibition	NOUN
v979v121790	5	24	,	,	PUNCT
v979v121790	5	25	endothelial	endothelial	ADJ
v979v121790	5	26	modification	modification	NOUN
v979v121790	5	27	,	,	PUNCT
v979v121790	5	28	and	and	CCONJ
v979v121790	5	29	ph	ph	NOUN
v979v121790	5	30	manipulation	manipulation	NOUN
v979v121790	5	31	,	,	PUNCT
v979v121790	5	32	but	but	CCONJ
v979v121790	5	33	independent	independent	ADJ
v979v121790	5	34	of	of	ADP
v979v121790	5	35	[	[	X
v979v121790	5	36	cgmp	cgmp	X
v979v121790	5	37	]	]	X
v979v121790	5	38	and	and	CCONJ
v979v121790	5	39	extracellular	extracellular	ADJ
v979v121790	6	1	[	[	X
v979v121790	6	2	ca2	ca2	X
v979v121790	6	3	+	+	NUM
v979v121790	6	4	]	]	X
v979v121790	6	5	.	.	PUNCT
v979v121790	7	1	trout	trout	PROPN
v979v121790	7	2	plasma	plasma	NOUN
v979v121790	7	3	[	[	X
v979v121790	7	4	h2s	h2s	X
v979v121790	7	5	]	]	PUNCT
v979v121790	7	6	was	be	AUX
v979v121790	7	7	~40	~40	NUM
v979v121790	7	8	ìâm	ìâm	NOUN
v979v121790	7	9	,	,	PUNCT
v979v121790	7	10	near	near	ADP
v979v121790	7	11	effective	effective	ADJ
v979v121790	7	12	dilatory	dilatory	ADJ
v979v121790	7	13	concentrations	concentration	NOUN
v979v121790	7	14	of	of	ADP
v979v121790	7	15	pre	pre	ADJ
v979v121790	7	16	-	-	ADJ
v979v121790	7	17	contracted	contracted	ADJ
v979v121790	7	18	trout	trout	NOUN
v979v121790	7	19	vessels	vessel	NOUN
v979v121790	7	20	(	(	PUNCT
v979v121790	7	21	ec50	ec50	PROPN
v979v121790	7	22	67	67	NUM
v979v121790	7	23	å±	å±	NUM
v979v121790	7	24	9	9	NUM
v979v121790	7	25	ìâm	ìâm	NOUN
v979v121790	7	26	)	)	PUNCT
v979v121790	7	27	.	.	PUNCT
v979v121790	8	1	h2s	h2s	ADV
v979v121790	8	2	-	-	PUNCT
v979v121790	8	3	induced	induce	VERB
v979v121790	8	4	relaxation	relaxation	NOUN
v979v121790	8	5	of	of	ADP
v979v121790	8	6	trout	trout	PROPN
v979v121790	8	7	urinary	urinary	ADJ
v979v121790	8	8	bladder	bladder	NOUN
v979v121790	8	9	was	be	AUX
v979v121790	8	10	insentive	insentive	ADJ
v979v121790	8	11	to	to	ADP
v979v121790	8	12	most	most	ADJ
v979v121790	8	13	manipulations	manipulation	NOUN
v979v121790	8	14	with	with	ADP
v979v121790	8	15	the	the	DET
v979v121790	8	16	exception	exception	NOUN
v979v121790	8	17	of	of	ADP
v979v121790	8	18	kcl	kcl	PROPN
v979v121790	8	19	prestimulus	prestimulus	PROPN
v979v121790	8	20	.	.	PUNCT
v979v121790	9	1	removal	removal	NOUN
v979v121790	9	2	of	of	ADP
v979v121790	9	3	extracellular	extracellular	ADJ
v979v121790	9	4	chloride	chloride	PROPN
v979v121790	9	5	(	(	PUNCT
v979v121790	9	6	0	0	PUNCT
v979v121790	10	1	[	[	X
v979v121790	10	2	cl-]o	cl-]o	NOUN
v979v121790	10	3	)	)	PUNCT
v979v121790	10	4	and	and	CCONJ
v979v121790	10	5	blocking	block	VERB
v979v121790	10	6	clchannels	clchannel	NOUN
v979v121790	10	7	altered	alter	VERB
v979v121790	10	8	the	the	DET
v979v121790	10	9	mechanical	mechanical	ADJ
v979v121790	10	10	responses	response	NOUN
v979v121790	10	11	of	of	ADP
v979v121790	10	12	lamprey	lamprey	NOUN
v979v121790	10	13	,	,	PUNCT
v979v121790	10	14	trout	trout	NOUN
v979v121790	10	15	,	,	PUNCT
v979v121790	10	16	and	and	CCONJ
v979v121790	10	17	rat	rat	NOUN
v979v121790	10	18	vessels	vessel	NOUN
v979v121790	10	19	to	to	ADP
v979v121790	10	20	h2s	h2s	PROPN
v979v121790	10	21	.	.	PUNCT
v979v121790	11	1	changes	change	NOUN
v979v121790	11	2	in	in	ADP
v979v121790	11	3	po2	po2	NOUN
v979v121790	11	4	elicit	elicit	VERB
v979v121790	11	5	a	a	DET
v979v121790	11	6	variety	variety	NOUN
v979v121790	11	7	of	of	ADP
v979v121790	11	8	responses	response	NOUN
v979v121790	11	9	in	in	ADP
v979v121790	11	10	sm	sm	PRON
v979v121790	11	11	to	to	PART
v979v121790	11	12	match	match	VERB
v979v121790	11	13	physiological	physiological	ADJ
v979v121790	11	14	requirements	requirement	NOUN
v979v121790	11	15	.	.	PUNCT
v979v121790	12	1	the	the	DET
v979v121790	12	2	mechanisms	mechanism	NOUN
v979v121790	12	3	by	by	ADP
v979v121790	12	4	which	which	PRON
v979v121790	12	5	sm	sm	PROPN
v979v121790	12	6	cells	cell	NOUN
v979v121790	12	7	sense	sense	VERB
v979v121790	12	8	po2	po2	PRON
v979v121790	12	9	are	be	AUX
v979v121790	12	10	heavily	heavily	ADV
v979v121790	12	11	debated	debate	VERB
v979v121790	12	12	.	.	PUNCT
v979v121790	13	1	the	the	DET
v979v121790	13	2	redox	redox	ADJ
v979v121790	13	3	relationship	relationship	NOUN
v979v121790	13	4	between	between	ADP
v979v121790	13	5	h2s	h2s	NOUN
v979v121790	13	6	and	and	CCONJ
v979v121790	13	7	o2	o2	PROPN
v979v121790	13	8	suggests	suggest	VERB
v979v121790	13	9	h2s	h2s	NOUN
v979v121790	13	10	could	could	AUX
v979v121790	13	11	serve	serve	VERB
v979v121790	13	12	as	as	ADP
v979v121790	13	13	an	an	DET
v979v121790	13	14	o2	o2	PROPN
v979v121790	13	15	sensing	sense	VERB
v979v121790	13	16	molecule	molecule	NOUN
v979v121790	13	17	in	in	ADP
v979v121790	13	18	sm	sm	PROPN
v979v121790	13	19	.	.	PUNCT
v979v121790	14	1	these	these	DET
v979v121790	14	2	studies	study	NOUN
v979v121790	14	3	found	find	VERB
v979v121790	14	4	;	;	PUNCT
v979v121790	14	5	(	(	PUNCT
v979v121790	14	6	1	1	X
v979v121790	14	7	)	)	PUNCT
v979v121790	14	8	hypoxia	hypoxia	NOUN
v979v121790	14	9	and	and	CCONJ
v979v121790	14	10	h2s	h2s	NOUN
v979v121790	14	11	produce	produce	VERB
v979v121790	14	12	temporally	temporally	ADV
v979v121790	14	13	and	and	CCONJ
v979v121790	14	14	quantitatively	quantitatively	ADV
v979v121790	14	15	identical	identical	ADJ
v979v121790	14	16	responses	response	NOUN
v979v121790	14	17	;	;	PUNCT
v979v121790	14	18	(	(	PUNCT
v979v121790	14	19	2	2	X
v979v121790	14	20	)	)	PUNCT
v979v121790	14	21	responses	response	NOUN
v979v121790	14	22	to	to	ADP
v979v121790	14	23	hypoxia	hypoxia	NOUN
v979v121790	14	24	and	and	CCONJ
v979v121790	14	25	h2s	h2s	NOUN
v979v121790	14	26	are	be	AUX
v979v121790	14	27	mutually	mutually	ADV
v979v121790	14	28	exclusive	exclusive	ADJ
v979v121790	14	29	,	,	PUNCT
v979v121790	14	30	the	the	DET
v979v121790	14	31	presence	presence	NOUN
v979v121790	14	32	of	of	ADP
v979v121790	14	33	one	one	NUM
v979v121790	14	34	stimulus	stimulus	NOUN
v979v121790	14	35	,	,	PUNCT
v979v121790	14	36	substantially	substantially	ADV
v979v121790	14	37	or	or	CCONJ
v979v121790	14	38	completely	completely	ADV
v979v121790	14	39	eliminates	eliminate	VERB
v979v121790	14	40	the	the	DET
v979v121790	14	41	response	response	NOUN
v979v121790	14	42	to	to	ADP
v979v121790	14	43	the	the	DET
v979v121790	14	44	other	other	ADJ
v979v121790	14	45	;	;	PUNCT
v979v121790	14	46	(	(	PUNCT
v979v121790	14	47	3	3	X
v979v121790	14	48	)	)	PUNCT
v979v121790	14	49	h2s	h2s	NOUN
v979v121790	14	50	is	be	AUX
v979v121790	14	51	synthesized	synthesize	VERB
v979v121790	14	52	by	by	ADP
v979v121790	14	53	sm	sm	PRON
v979v121790	14	54	;	;	PUNCT
v979v121790	14	55	(	(	PUNCT
v979v121790	14	56	4	4	X
v979v121790	14	57	)	)	PUNCT
v979v121790	14	58	increasing	increase	VERB
v979v121790	14	59	[	[	X
v979v121790	14	60	substrate	substrate	NOUN
v979v121790	14	61	]	]	PUNCT
v979v121790	14	62	for	for	ADP
v979v121790	14	63	h2s	h2s	NOUN
v979v121790	14	64	production	production	NOUN
v979v121790	14	65	increases	increase	VERB
v979v121790	14	66	vessel	vessel	NOUN
v979v121790	14	67	response	response	NOUN
v979v121790	14	68	to	to	ADP
v979v121790	14	69	hypoxia	hypoxia	NOUN
v979v121790	14	70	;	;	PUNCT
v979v121790	14	71	and	and	CCONJ
v979v121790	14	72	(	(	PUNCT
v979v121790	14	73	5	5	X
v979v121790	14	74	)	)	PUNCT
v979v121790	14	75	inhibition	inhibition	NOUN
v979v121790	14	76	of	of	ADP
v979v121790	14	77	h2s	h2	VERB
v979v121790	14	78	synthesis	synthesis	NOUN
v979v121790	14	79	inhibits	inhibit	VERB
v979v121790	14	80	responses	response	NOUN
v979v121790	14	81	to	to	ADP
v979v121790	14	82	hypoxia	hypoxia	NOUN
v979v121790	14	83	.	.	PUNCT
v979v121790	15	1	in	in	ADP
v979v121790	15	2	addition	addition	NOUN
v979v121790	15	3	,	,	PUNCT
v979v121790	15	4	manipulation	manipulation	NOUN
v979v121790	15	5	of	of	ADP
v979v121790	15	6	[	[	X
v979v121790	15	7	cl-]o	cl-]o	NOUN
v979v121790	15	8	and	and	CCONJ
v979v121790	15	9	inhibitors	inhibitor	NOUN
v979v121790	15	10	of	of	ADP
v979v121790	15	11	cltrafficking	cltrafficke	VERB
v979v121790	15	12	had	have	VERB
v979v121790	15	13	similar	similar	ADJ
v979v121790	15	14	effects	effect	NOUN
v979v121790	15	15	on	on	ADP
v979v121790	15	16	responses	response	NOUN
v979v121790	15	17	to	to	PART
v979v121790	15	18	h2s	h2s	VERB
v979v121790	15	19	and	and	CCONJ
v979v121790	15	20	hypoxia	hypoxia	NOUN
v979v121790	15	21	.	.	PUNCT
v979v121790	16	1	h2s	h2s	NOUN
v979v121790	16	2	is	be	AUX
v979v121790	16	3	a	a	DET
v979v121790	16	4	phylogenetically	phylogenetically	ADV
v979v121790	16	5	ancient	ancient	ADJ
v979v121790	16	6	and	and	CCONJ
v979v121790	16	7	versatile	versatile	ADJ
v979v121790	16	8	regulatory	regulatory	ADJ
v979v121790	16	9	molecule	molecule	NOUN
v979v121790	16	10	appearing	appear	VERB
v979v121790	16	11	to	to	PART
v979v121790	16	12	be	be	AUX
v979v121790	16	13	opportunistically	opportunistically	ADV
v979v121790	16	14	suited	suit	VERB
v979v121790	16	15	to	to	PART
v979v121790	16	16	meet	meet	VERB
v979v121790	16	17	organand	organand	PROPN
v979v121790	16	18	species	species	NOUN
v979v121790	16	19	-	-	PUNCT
v979v121790	16	20	specific	specific	ADJ
v979v121790	16	21	homeostatic	homeostatic	ADJ
v979v121790	16	22	requirements	requirement	NOUN
v979v121790	16	23	.	.	PUNCT
v979v121790	17	1	h2s	h2s	PROPN
v979v121790	17	2	appears	appear	VERB
v979v121790	17	3	to	to	PART
v979v121790	17	4	act	act	VERB
v979v121790	17	5	through	through	ADP
v979v121790	17	6	a	a	DET
v979v121790	17	7	clsensitive	clsensitive	ADJ
v979v121790	17	8	pathway	pathway	NOUN
v979v121790	17	9	and	and	CCONJ
v979v121790	17	10	is	be	AUX
v979v121790	17	11	intrinsically	intrinsically	ADV
v979v121790	17	12	coupled	couple	VERB
v979v121790	17	13	to	to	ADP
v979v121790	17	14	cellular	cellular	ADJ
v979v121790	17	15	o2	o2	PROPN
v979v121790	17	16	sensing	sensing	NOUN
v979v121790	17	17	.	.	PUNCT