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Electrolytes and thermoregulationThe influence of ions on temperature is studied for cases where the changes in ionic concentrations are induced by direct infusion or injection of electrolyte solutions into the cerebral ventricles or into specific areas of brain tissue; intravenous infusion or injection; eating food or drinking solutions of different ionic composition; and heat or exercise dehydration. It is shown that introduction of Na(+) and Ca(++) into the cerebral ventricles or into the venous system affects temperature regulation. It appears that the specific action of these ions is different from their osmotic effects. It is unlikely that their action is localized to the thermoregulatory centers in the brain. The infusion experiments demonstrate that the changes in sodium balance occurring during exercise and heat stress are large enough to affect sweat gland function and vasomotor activity.
Document ID
19770049059
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Nielsen, B.
(Copenhagen, University Copenhagen, Denmark)
Greenleaf, J. E.
(NASA Ames Research Center Laboratory of Human Environmental Physiology, Moffett Field, Calif., United States)
Date Acquired
August 8, 2013
Publication Date
January 1, 1977
Subject Category
Aerospace Medicine
Meeting Information
Meeting: Symposium on the Pharmacology of Thermoregulation
Location: Banff, Alberta
Country: Canada
Start Date: September 1, 1976
Accession Number
77A31911
Distribution Limits
Public
Copyright
Other

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