Neuro-interstitial Junction in a Gastropod, Glossodoris


ON the basis of ultrastructural observations, we have suggested a unified “glio-interstitial” cell-system in the Mediterranean sea-slug Glossodoris1. This system includes the glial cells described in the central nervous system of several gastropods2–3 and the “interstitial cells” associated with the peripheral nervous system. The later non-neuronal elements resemble the “interstitial cells of Cajal” in the peripheral nervous system of vertebrates4 in their relationship with nerve plexuses and smooth muscle fibres, in their morphology and in their staining properties (ref. 5 and my unpublished results). A special type of junction between nerve fibres and interstitial cells has been found in an electron microscope study of the foot of Glossodoris tricolor (Cantraine).

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NICAISE, G. Neuro-interstitial Junction in a Gastropod, Glossodoris. Nature 216, 1222–1223 (1967).

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