蝶類外部生殖器の光受容器とその働き

概要

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The response characteristics of butterfly genital photoreceptors (GPs) and their inhibitory effect on the activities of abdominal motoneurons are reviewed. In two (N1, N3) of the six lateral nerves (N1-6) belonging to the last abdominal ganglion, spontaneous motoneuron activity was inhibited by illumination of the GPs. N1 and N3 innervate the ventral longitudinal muscles. N2 and N4, which supply branches to the spiracular muscles, were not inhibited. The results allow some of the properties of the circuits in the abdominal nervous system supplied by the GPs to be inferred. Some possible functions of the GPs are discussed.
1988-09-30