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Inhibitory Synapses on the Stretch Receptor Neurone of the Crayfish

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Abstract

ELECTROPHYSIOLOGICAL studies1–3 have shown that the stretch receptor neurone of crustacea receives a purely inhibitory input from a specific nerve which reduces the afferent discharges from the receptor. Morphological investigations show the existence of at least three nerves to the stretch receptor, one afferent and two efferent to the muscle and the neurone, and it has been suggested, without definite proof, that the thin nerve is inhibitory in function. Peterson and Pepe4 made an electron microscopical investigation of the stretch receptor in an attempt to determine the characteristics of the inhibitory synapse but were unable to find distinguishing features. After some initial failures, recent studies in our laboratory have now been more successful.

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Authors and Affiliations

  1. Department of Physiology, Faculty of Medicine, University of Tokyo, Tokyo

    KOJI UCHIZONO

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  1. KOJI UCHIZONO
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UCHIZONO, K. Inhibitory Synapses on the Stretch Receptor Neurone of the Crayfish. Nature 214, 833–834 (1967). https://doi.org/10.1038/214833a0

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