释义 |
WordReference Random House Unabridged Dictionary of American English © 2024al′pha recep′tor, - Biochemistry, Physiologya site on a cell that, upon interaction with epinephrine or norepinephrine, controls vasoconstriction, intestinal relaxation, pupil dilation, and other physiological processes. Also, al′pha-re•cep′tor. Also called alpha-adrenergic receptor. Cf. beta receptor.
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