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The production and absorption of heat associated with electrical activity in nerve and electric organ

Published online by Cambridge University Press:  17 March 2009

J. M. Ritchie  and
R. D. Keynes
J. M. Ritchie
Affiliation:
Department of Pharmacology, Yale University School of Medicine, 333 Cedar Street, New Haven, Connecticut 06510, USA
R. D. Keynes
Affiliation:
Physiological Laboratory, Cambridge CB2 3EG, UK
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Summary

All living cells require a supply of energy from appropriate metabolic pathways in order in fulfill their physiological functions. A special function common to peripheral nerve fibres and the electroplates of the electric organ is the generation of electrical potentials and a consequent flow of current. A large fraction of their metabolism is therefore devoted basically to maintenance of the unequal distribution of sodium and potassium ions across the cell membranes on which their electrical excitability depends, and involves a consumption of ATP by the membrane-bound Na, K—ATPase system known as the sodium pump.

Type
Research Article
Information
Quarterly Reviews of Biophysics , Volume 18 , Issue 4 , November 1985 , pp. 451 - 476
Copyright
Copyright © Cambridge University Press 1985

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