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16958

HISTOLOGICAL AND ENZYME HISTOCHEMICAL STUDIES ON THE TRANSITIONAL

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Last updated: 24 Dec 2024

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Abstract

The present work was carried out using twenty mature Epinephelus tauvina (Perciforms: Serranidae) collected from Arabian Gulf coast at Dammam City. Fishes of this species are known to undergo sex change during certain stage of their life cycle. Histological and enzyme histochemical studies were performed on gonads of the collected fishes. The examination of the gonads of E. tauvina revealed the presence of three developmental phases during the sex change process. These were: Female, early transition phase and late transition phase each one may subdivide into two stages. In female phase several developmental stages of the oocytes were recognized. At the beginning of early transition phase perinucleolar mature oocytes began degeneration while late transition phase characterized by rapid proliferation of spermatogenic cells. The histochemical studies demonstrated that alkaline phosphatase enzyme gave intense reaction in granulosa cells of mature oocytes while acid phosphatase gave an intense reaction in the interstitial cells and atretic follicles but ∆5 –3β hydroxysteroid dehydrogenase enzyme gave intense reaction to special cells in capsule of gonads.

DOI

10.21608/ejhm.2018.16958

Authors

First Name

Nora Ahmed Obaid

Last Name

Al-kaabi

MiddleName

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Affiliation

Dep. Of Biology, College of Science for Girls, Dammam University, Dammam, Saudi Arabia

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Volume

39

Article Issue

1

Related Issue

3582

Issue Date

2018-04-01

Receive Date

2018-10-19

Publish Date

2018-04-01

Page Start

140

Page End

153

Print ISSN

1687-2002

Online ISSN

2090-7125

Article File

EJHM_Volume 39_Issue 1_Pages 140-153.pdf

PDF . 1.1MB

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https://ejhm.journals.ekb.eg/article_16958.html

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https://ejhm.journals.ekb.eg/service?article_code=16958

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Original Article

Type Code

606

Publication Type

Journal

Publication Title

The Egyptian Journal of Hospital Medicine

Publication Link

https://ejhm.journals.ekb.eg/

MainTitle

HISTOLOGICAL AND ENZYME HISTOCHEMICAL STUDIES ON THE TRANSITIONAL

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Article

Created At

22 Jan 2023