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News in Physiological Sciences, Vol 5, 212-215, Copyright © 1990 by International Union of Physiological Sciences
ARTICLES |
H Suzuki and G Chen
Acetylcholine hyperpolarizes the membrane of vascular smooth muscles by increasing potassium permeability, the response being mediated by an endothelium-derived hyperpolarizing factor (EDHF). The membrane hyperpolarization produced by EDHF is therefore one of the components contributing to endothelium-dependent relaxation of vascular smooth muscles.
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