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Functional morphology of the coelomocytes of the larval oysters (Crassostrea virginica and Crassostrea gigas)

Published online by Cambridge University Press:  11 May 2009

Ralph Elston
Ralph Elston
Affiliation:
Department of Avian and Aquatic Animal Medicine, New York State College of Veterinary Medicine, Cornell University, Ithaca, New York 14853
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Extract

The functional morphology of the coelomocytes of larval oysters, Crassostrea virginica and C. gigas, based on observations of live animals and histological and ultrastructural examination of tissues, is presented. Two predominant types of coelomocytes were found in the larval oysters. One, the SER cell, not found in the adult oyster, is large with a spheroidal nucleus, and exhibits basophilic cytoplasm which consists of abundant smooth endoplastic reticulum. This cell appears to participate in metabolic conversion processes. The other predominant cell type, the phagocyte, appears identical to the phagocyte observed in the adult oyster. Both differential cell types were observed from one day post fertilization to metamorphosis, the oldest stage studied.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 60 , Issue 4 , November 1980 , pp. 947 - 957
Copyright
Copyright © Marine Biological Association of the United Kingdom 1980

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