The Mode of Action of the Corpus Cardiacum On the Hind Gut in Periplaneta Americana
Open Access
- 1 September 1962
- journal article
- Published by The Company of Biologists in Journal Of Experimental Biology
- Vol. 39 (3), 319-324
- https://doi.org/10.1242/jeb.39.3.319
Abstract
1. Addition of a homogenate of corpora cardiaca to the fluid bathing an isolated hind gut of Periplaneta produces an increase in tonus, amplitude, frequency and co-ordination of contractions. 2. The corpus cardiacum acts by stimulating cells in the upper colon to release an indolalkylamine. 3. This amine acts on the mucles through a peripheral nervous system which can function in isolation from the central nervous system.Keywords
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