Histology of the reproductive tissue of the clam Ruditapes decussatus from the gulf of Gabes (Tunisia)

被引：5

作者：

Smaoui-Damak, W. ^{[1
]}

Mathieu, M. ^{[2
]}

Rebai, T. ^{[3
]}

Hamza-Chaffai, A. ^{[1
]}

机构：

[1] Univ Sfax, IPEIS, UR 09 03, Sfax, Tunisia

[2] Univ Caen, Lab Biol & Biotechnol Marines, IBA, F-14032 Caen, France

[3] Fac Med, Histol Lab, Sfax, Tunisia

来源：

INVERTEBRATE REPRODUCTION & DEVELOPMENT | 2007年 / 50卷 / 03期

关键词：

gametogenesis; Gulf of Gabes; hermaphroditism; histology; Ruditapes decussatus; storage tissue;

D O I：

10.1080/07924259.2007.9652235

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The gametogenic cycle of the clam Ruditapes decussatus was investigated during one year. Samples were collected each month in two different sites located at the gulf of Gabes area. Gametogenic activity was characterized on the basis of histological analysis of the gonads. A classification and a scoring system were then proposed. According to our study, Ruditapes decussatus gametogenesis can be divided in four major steps: (1) a sexual rest (December-February), (2) starting of gametogenesis (February-March), (3) development (March-May), (4) ripe (from April onwards). This study revealed that the gonad of the clam Ruditapes decussatus was surrounded by muscular tissue which could represent the principal storage tissue. Two kinds of hermaphroditism appeared since maturity of gonads: simultaneous one showing gonadal tubules of both males and females in regionally distinct and separate zones and a "superposed" one showing a gonad consisting essentially of mature male gametes and few residual oocytes.

引用

页码：117 / 126

页数：10

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