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Spermatogenesis in Amiantis umbonella (Bivalvia) in Kuwait Bay, Kuwait

Published online by Cambridge University Press:  21 August 2001

S.Y. Al-Mohanna ,
L.B. Al-Rukhais  and
R.H. Meakins
S.Y. Al-Mohanna
Affiliation:
Department of Biological Sciences, Kuwait University, PO Box 5969, Safat 13060, Kuwait
L.B. Al-Rukhais
Affiliation:
Department of Biological Sciences, Kuwait University, PO Box 5969, Safat 13060, Kuwait
R.H. Meakins
Affiliation:
Department of Biological Sciences, Kuwait University, PO Box 5969, Safat 13060, Kuwait
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Abstract

The morphology of the cells during spermatogenesis in Amiantis umbonella (Mollusca: Bivalvia) was investigated from collections made between November 1997 and January 1999. Each stage is described and prominent features noted. The mature spermatozoan is primitive, lacking an apical rod, having a cylindrical-curved nucleus and a cone-like acrosomal complex bearing distally two swollen bulb-like terminals connected by thin, curved threads. Spermatozoa have a single flagellum and five (rarely six) mitochondria at the base of the nucleus.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 81 , Issue 3 , June 2001 , pp. 517 - 522
Copyright
2001 Marine Biological Association of the United Kingdom

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