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REPORT ON STATE OF ATRESIA IN THE OVARIES OF SOME MEDITERRANEAN SEA FISHES FROM THE EGYPTIAN COAST

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Last updated: 03 Jan 2025

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Botany
Microbiology
Zoology

Abstract

Some common forms of atresia were observed in the ovaries of striped sea bream, Lithognathus mormyrus, spiny cheeked grunter, Terapon puta and bogue, Boops boops obtained from Abu Qir Bay, Alexandria. The ovarian atresia was recognized by batches of clear brownish fluid beneath the ovarian epithelium and the oocytes appear reddish in colour. The present study showed that, the ovarian atresia increases with the increasing the maturity stages and length of spawning season. The percentages of ovarian atresia was marked higher in L. mormyrus and middlein T. puta which characterized by long spawning season. The percentage of ovarian atresia was lower inB. boops which characterized by short spawning season. Histological examination of ovaries of L. mormyrus, T. puta and B. boops indicated that, the presence of atretic oocytes (oocyte retention) as a non natural phenomenon in the first maturity stages and natural in the last maturity one. Atretic oocytes may be classified into two main types: nonbursting and bursting. Capsulated atresia, lipoidal atresia and cystic atresia are belonging to the first type. Multiple bursts, single bursts and liquified bursts are of common phases in the second one. Finally, all forms of atretic oocytes degenerated and disappeared in the stroma.

DOI

10.21608/absb.2011.7032

Keywords

STATE OF ATRESIA, MEDITERRANEAN SEA FISHES, Egyptian coast

Authors

First Name

H.

Last Name

KHALAF ALLAH

MiddleName

M.

Affiliation

Marine Biology and Fishes Division, Zoology Department, Faculty of Science, Al-Azhar University, Cairo, Egypt

Email

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City

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Orcid

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First Name

S.

Last Name

SHEHATA

MiddleName

M.

Affiliation

Marine Biology and Fishes Division, Zoology Department, Faculty of Science, Al-Azhar University, Cairo, Egypt.

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City

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Orcid

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Volume

22

Article Issue

Issue 1-C

Related Issue

1340

Issue Date

2011-06-01

Receive Date

2011-02-11

Publish Date

2011-06-01

Page Start

1

Page End

12

Print ISSN

1110-2535

Online ISSN

2636-3305

Article File

ABSB_Volume 22_Issue Issue 1-C_Pages 1-12.pdf

PDF . 536.2kB

Link

https://absb.journals.ekb.eg/article_7032.html

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https://absb.journals.ekb.eg/service?article_code=7032

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Original Article

Type Code

520

Publication Type

Journal

Publication Title

Al-Azhar Bulletin of Science

Publication Link

https://absb.journals.ekb.eg/

MainTitle

REPORT ON STATE OF ATRESIA IN THE OVARIES OF SOME MEDITERRANEAN SEA FISHES FROM THE EGYPTIAN COAST

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Type

Article

Created At

22 Jan 2023