THE EFFECTS OF CERTAIN NEUROHUMORS AND OF OTHER DRUGS ON THE VENTRICLE AND RADULA PROTRACTOR OF BUSYCON CANALICULATUM AND ON THE VENTRICLE OF STROMBUS GIGAS
Open Access
- 1 December 1958
- journal article
- other
- Published by University of Chicago Press in The Biological Bulletin
- Vol. 115 (3), 471-482
- https://doi.org/10.2307/1539110
Abstract
1. The hearts of Busycon canaliculatum and Strombus gigas were found to respond to applied neurohumors as do the myogenic hearts of other gastropods. Acetyicholine was cardio-inhibitory, and 5-hydroxytryptamine was cardio-acceleratory, in concentrations low enough to suggest that they might be the normal regulatory neurohumors. 2. The Busycon canaliculatum radula protractor was contracted by acetylcholine, and could then be relaxed rhythmically by 5-hydroxytryptamine, tryptamine, and adrenalin, all of which raise the tonus of the ventricle.This publication has 7 references indexed in Scilit:
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