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Electrophysiological investigation of the properties of acetylcholine receptors of frog sympathetic ganglionic neurons
Authors:K. F. Trinus
Abstract:Changes in membrane potential and conductance were studied in neurons of isolated sympathetic ganglia ofRana ridibunda during perfusion with cholinomimetics and cholinolytics. Activation of nicotinic (N) acetylcholine receptors by carbachol, suberyldicholine, and tetramethylammonium led to depolarization with an increase in conductance, whereas activation of muscarinic (M) acetylcholine receptors by perfusion with carbachol or 5-methylfurmethide, led to depolarization with a decrease or (less frequently) an increase in conductance. The M-cholinolytic atropine was shown to cause depolarization with an increase in conductance if perfusion with atropine was preceded by perfusion with carbachol.A. A. Bogomolets Institute of Physiology, Academy of Sciences of the Ukrainian SSR, Kiev. Translated from Neirofiziologiya, Vol. 11, No. 5, pp. 475–482, September–October, 1979.
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