Studies the effect of exogenous thyroxine (T4) on marble goby (Oxyeleotris marmoratus Bleeker) larvae

A study on the effect of the thyroid hormone, thyroxine (T4) on marble goby 0Oxyeleotris marmoratus) during the early larval development was carried out in hatchery unit, Kolej Universiti Sains dan Teknologi Malaysia. Thyroid hormones in the marble goby were detected at hatching even though the thyr...

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Main Author:	Asmanelli
Format:	Thesis
Language:	English
Subjects:	QH 511 .A8 2005 Asmanelli Studies the effect of exogenous thyroxine (T4) on marble goby (Oxyeleotris marmoratus Bleeker) larvae Developmental biology > Growth
Online Access:	http://umt-ir.umt.edu.my:8080/jspui/bitstream/123456789/623/1/QH511%20.A8%202005%20Abstract.pdf http://umt-ir.umt.edu.my:8080/jspui/bitstream/123456789/623/2/QH511%20.A8%202005.pdf
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id	my-umt-ir.-623
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spelling	my-umt-ir.-6232016-03-10T07:22:12Z Studies the effect of exogenous thyroxine (T4) on marble goby (Oxyeleotris marmoratus Bleeker) larvae Asmanelli A study on the effect of the thyroid hormone, thyroxine (T4) on marble goby 0Oxyeleotris marmoratus) during the early larval development was carried out in hatchery unit, Kolej Universiti Sains dan Teknologi Malaysia. Thyroid hormones in the marble goby were detected at hatching even though the thyroid follicles were not yet developed. The first T4 cells were not recognized as follicles but appeared as domain of non follicular cells that appeared dark brown on anti T4 staining section. The first thyroid follicles in marble goby were observed at 13 days after hatching (DAH). T4 was detected in the larvae at hatching, and increased till 2 DAH indicating the onset of endogenous thyroid hormones production. T4 level started to decrease from 3 DAH till 7 DAH, and then increased again from 10 DAH onwards. The decrease of T4 level was consistent with the mortality pattern of marble goby larvae occurred at this stage, and showed that the larvae endocrine organs were not yet fully functional, even though production of THs has began. The increased of T4 level at 10 DAH onwards indicated that the endocrine organs began to function again but T4 level remained low. Fakulti Sains dan Teknologi 2005-08 Thesis en http://hdl.handle.net/123456789/623 http://umt-ir.umt.edu.my:8080/jspui/bitstream/123456789/623/1/QH511%20.A8%202005%20Abstract.pdf 77193144b76a1c08506739165902808d http://umt-ir.umt.edu.my:8080/jspui/bitstream/123456789/623/2/QH511%20.A8%202005.pdf f6c1e1b6e961349b924b33a524e830fa http://umt-ir.umt.edu.my:8080/jspui/bitstream/123456789/623/3/license.txt 8a4605be74aa9ea9d79846c1fba20a33 http://umt-ir.umt.edu.my:8080/jspui/bitstream/123456789/623/4/QH511%20.A8%202005%20Abstract.pdf.txt 0aa53abf1e6959f2a9a180e378c51312 http://umt-ir.umt.edu.my:8080/jspui/bitstream/123456789/623/5/QH511%20.A8%202005.pdf.txt 101393f942f20bae5cbd7939bdb24354 QH 511 .A8 2005 Asmanelli Studies the effect of exogenous thyroxine (T4) on marble goby (Oxyeleotris marmoratus Bleeker) larvae Developmental biology -- Growth
institution	Universiti Malaysia Terengganu
collection	UMT Repository System
language	English
topic	QH 511 .A8 2005 Asmanelli Studies the effect of exogenous thyroxine (T4) on marble goby (Oxyeleotris marmoratus Bleeker) larvae Developmental biology -- Growth
spellingShingle	QH 511 .A8 2005 Asmanelli Studies the effect of exogenous thyroxine (T4) on marble goby (Oxyeleotris marmoratus Bleeker) larvae Developmental biology -- Growth Asmanelli Studies the effect of exogenous thyroxine (T4) on marble goby (Oxyeleotris marmoratus Bleeker) larvae
description	A study on the effect of the thyroid hormone, thyroxine (T4) on marble goby 0Oxyeleotris marmoratus) during the early larval development was carried out in hatchery unit, Kolej Universiti Sains dan Teknologi Malaysia. Thyroid hormones in the marble goby were detected at hatching even though the thyroid follicles were not yet developed. The first T4 cells were not recognized as follicles but appeared as domain of non follicular cells that appeared dark brown on anti T4 staining section. The first thyroid follicles in marble goby were observed at 13 days after hatching (DAH). T4 was detected in the larvae at hatching, and increased till 2 DAH indicating the onset of endogenous thyroid hormones production. T4 level started to decrease from 3 DAH till 7 DAH, and then increased again from 10 DAH onwards. The decrease of T4 level was consistent with the mortality pattern of marble goby larvae occurred at this stage, and showed that the larvae endocrine organs were not yet fully functional, even though production of THs has began. The increased of T4 level at 10 DAH onwards indicated that the endocrine organs began to function again but T4 level remained low.
format	Thesis
author	Asmanelli
author_facet	Asmanelli
author_sort	Asmanelli
title	Studies the effect of exogenous thyroxine (T4) on marble goby (Oxyeleotris marmoratus Bleeker) larvae
title_short	Studies the effect of exogenous thyroxine (T4) on marble goby (Oxyeleotris marmoratus Bleeker) larvae
title_full	Studies the effect of exogenous thyroxine (T4) on marble goby (Oxyeleotris marmoratus Bleeker) larvae
title_fullStr	Studies the effect of exogenous thyroxine (T4) on marble goby (Oxyeleotris marmoratus Bleeker) larvae
title_full_unstemmed	Studies the effect of exogenous thyroxine (T4) on marble goby (Oxyeleotris marmoratus Bleeker) larvae
title_sort	studies the effect of exogenous thyroxine (t4) on marble goby (oxyeleotris marmoratus bleeker) larvae
granting_institution	Fakulti Sains dan Teknologi
url	http://umt-ir.umt.edu.my:8080/jspui/bitstream/123456789/623/1/QH511%20.A8%202005%20Abstract.pdf http://umt-ir.umt.edu.my:8080/jspui/bitstream/123456789/623/2/QH511%20.A8%202005.pdf
_version_	1747835800984223744

Studies the effect of exogenous thyroxine (T4) on marble goby (Oxyeleotris marmoratus Bleeker) larvae

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