alpha-receptor
noun
al·pha-re·cep·tor
| \ ˈal-fə-ri-ˌsep-tər
\
\
Definition of alpha-receptor
: any of a group of receptors that are present on cell surfaces of some effector organs and tissues innervated by the sympathetic nervous system and that mediate certain physiological responses (such as vasoconstriction, relaxation of intestinal muscle, and contraction of most smooth muscle) when bound by specific adrenergic agents — compare beta-receptor
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More Definitions for alpha-receptor
alpha-receptor
noun
al·pha-re·cep·tor
| \ ˈal-fə-ri-ˌsep-tər
\
\
Medical Definition of alpha-receptor
: any of a group of receptors that are present on cell surfaces of some effector organs and tissues innervated by the sympathetic nervous system and that mediate certain physiological responses (as vasoconstriction, relaxation of intestinal muscle, and contraction of most smooth muscle) when bound by specific adrenergic agents — compare beta-receptor