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Type: Artigo de periódico
Title: Comparison of the spermatozoan morphology of Isognomon bicolor and Isognomon alatus (Mollusca, Bivalvia, Isognomonidae)
Author: Introini, GO
Magalhaes, CA
Fortunato, H
Recco-Pimentel, SM
Abstract: In this Study We used transmission and scanning electron microscopy to examine the spermatozoan Structure of Isognomon bicolor and Isognomon alatus. The spermatozoa of both species were of the primitive or ect-aquasperm type. The acrosomal morphologies were essentially similar but the top of the acrosomal vesicle in I. bicolor sperm had a slightly flattened edge whereas the apex of the acrosomal vesicle of. alatus sperm had a rounded outline. This difference Suggested that acrosomal morphology Could be an important character for taxonomic differentiation. In the present work, the results demonstrated that the gamete ultrastructure of the two distinct species I. alatus, from Panama, and I. bicolor, from the southeastern region of Brazil, were similar to the other studied species of the superfamily Pterioidea. (C) 2008 Elsevier Ltd. All rights reserved.
Subject: Bivalvia
Country: Escócia
Editor: Churchill Livingstone
Rights: fechado
Identifier DOI: 10.1016/j.tice.2008.07.002
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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