Control of the cardiovascular system ofAplysia by identified neurons |
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Authors: | M. Skelton A. Alevizos J. Koester |
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Affiliation: | (1) Center for Neurobiology and Behavior, Columbia University and New York State Psychiatric Institute, 722 West 168th Street, 10032 New York, New York, USA;(2) Propileon 23, Acropolis 11742, Athens, (Greece) |
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Abstract: | The neural network that controls the cardiovascular system ofAplysia adapts cardiovascular function to a variety of different physiological and behavioral situations. It (1) coordinates the cardiovascular system with the renal and respiratory systems; (2) modifies both systemic and regional blood flow during food-elicited arousal and feeding; and (3) changes the tension of longitudinal vascular muscle to adapt the arterial tree to changes in body shape. Indirect evidence suggests that the cardiovascular control circuit may also play a role in maintaining homeostasis during egg laying. Several putative neurotransmitters, including acetylcholine, serotonin, R151 and R152 peptides, have been localized to identified neurons in this circuit. |
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Keywords: | Aplysia gastropod acetylcholine serotonin R15 /content/n688g2qr6422185l/xxlarge945.gif" alt=" agr" align=" BASELINE" BORDER=" 0" > peptides heart vascular system respiratory system feeding arousal kidney co-localization |
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