A Calcium Aspect of the Effect of Noradrenaline on the Resting Membrane Potential in Somatic Muscle Cells of the Earthworm


A hyperpolarizing effect of noradrenaline (NA) on muscle cells of the earthworm caused by activation of the membrane ion pumps is eliminated in a Ca-free medium, in the case of replacement of Na+ by Mn2+, or when verapamil or chlorpromazine have been added to the bath solution. A decrease or an increase in the Ca2+ concentration in the solution, as well as… (More)
DOI: 10.1023/A:1020752727791

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