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Microscopical observations on the excretory organs of the hydrothermal mussel Bathymodiolus thermophilus (Mollusca: Bivalvia)

Published online by Cambridge University Press:  11 May 2009

M. Auffret  and
M. Lepennec
M. Auffret
Affiliation:
Laboratoire de Biologie Marine, Faculte des Sciences, Universite de Bretagne Occidentale, 29287 Brest Cedex, France
M. Lepennec
Affiliation:
Laboratoire de Biologie Marine, Faculte des Sciences, Universite de Bretagne Occidentale, 29287 Brest Cedex, France
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Abstract

The pericardial gland of the deep-sea hydrothermal mussel Bathymodiolus thermophilus (Mollusca: Bivalvia: Mytilidae) differs from other mytilids by (1) a narrow lumen and (2) conspicuous polyhedral inclusion bodies in large cytoplasmic vacuoles of the epithelial cells. These inclusions do not contain metals as revealed by microanalysis but are possibly made of proteins. The cells of this gland exhibit a fenestrated basal border which indicates a site of haemolymph ultrafiltration. The kidney is histologically comparable to that of the coastal mussel Mytilus edulis.

Type
Short Communications
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 72 , Issue 2 , May 1992 , pp. 503 - 506
Copyright
Copyright © Marine Biological Association of the United Kingdom 1992

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