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Science 29 July 1977:
Vol. 197. no. 4302, pp. 490 - 493
DOI: 10.1126/science.197.4302.490
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Articles

Bag Cell Control of Egg Laying in Freely Behaving Aplysia

HAROLD. M. PINSKER 1 and F. EDWARD DUDEK 2

1 Marine Biomedical Institute and Departments of Physiology, Biophysics, and Psychiatry, University of Texas Medical Branch, Galveston 77550
2 Department of Zoology and Erindale College, University of Toronto, Mississauga, Ontario L5L 1C6, Canada

Neuroendocrine (bag cell) control of egg laying was studied in freely behaving Aplysia. Surgical lesions showed that bag cells are not necessary for egg laying, although they play a crucial role in its control, and that the pleurovisceral connectives are the afferent pathway to the bag cells. Recording in vivo showed that synchronous bag cell spikes progressively invade the network, leading to prolonged repetitive firing that initiates natural egg laying.

Submitted on November 23, 1976
Revised on January 25, 1977


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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Prolonged inhibition of neurons by neuroendocrine cells in Aplysia.
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