• word of the day

    alpha-adrenoceptor

    alpha-adrenoceptor - Dictionary definition and meaning for word alpha-adrenoceptor

    Definition
    (noun) receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasoconstriction and relaxation of intestinal muscles and contraction of smooth muscles)
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