Reproductive cycle of the brackish water crab Callinectes amnicola
(Sprache: Englisch)
The macroscopic study was supplemented by microscopic examination of the male and female reproductive organs. The sexual maturity scale includes both in males and females, 7 stages that encompass all the growth of these crabs. Microscopic analysis in males...
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The macroscopic study was supplemented by microscopic examination of the male and female reproductive organs. The sexual maturity scale includes both in males and females, 7 stages that encompass all the growth of these crabs. Microscopic analysis in males concerned the testes, vasa differentia, pleopods and penes differentiation. In the female, microscopic examination allowed to understand the oogenesis and to define the structure of the spermathecae. The embryogenesis occurs from a telolecithal egg whose development takes place according to the four usual phases. The segmentation is superficial and discoidal. Gastrulation and organogenesis lead to morphogenesis of the embryos. This embryogenesis is chaotic without formation of any blastocoele, arhanteron, or precise embryological layers.
Autoren-Porträt
Marie-Anne Kayi, d'AlmeidaMarie-Anne Kayi d'ALMEIDA, Ivorian was born on December 28, 1954 in Gaya (NIGER). She is a teacher -researcher, teaching Cell Biology, Histology, Cytology and Embryology at the UFR Biosciences of Félix Houphouët Boigny University in Cocody (Abidjan) in Côte d'Ivoire.
Bibliographische Angaben
- 2019, 344 Seiten, Maße: 22 cm, Kartoniert (TB), Englisch
- Verlag: LAP Lambert Academic Publishing
- ISBN-10: 6139451922
- ISBN-13: 9786139451920
Sprache:
Englisch
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