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Epithelial sensory structures of trochids

Published online by Cambridge University Press:  11 May 2009

Mary Crisp
Affiliation:
Department of Biological Sciences, University of Dundee, Dundee

Extract

The ciliated epithelial sensory cells of the tentacle papillae and of the concave epipodial sense organ (e.s.o.) surface of the trochids Margaretes helicinus, Gibbula cineraria, G. umbilicalis, Monodonta lineata, Diloma nigerrima and D. zealandica are primary sensory cells with intra-epithelial nuclei. The 5–7 cells of a single papilla bear many cilia. Each e.s.o. cell has one cilium surrounded by 8–9 specialized microvilli. Both kinds of sensory cell show structural similarities with known mechanoreceptors.

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 1981

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