alpha receptor

or al·pha-re·cep·tor


noun

a site on a cell that, upon interaction with epinephrine or norepinephrine, controls vasoconstriction, intestinal relaxation, pupil dilation, and other physiological processes.

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decorum
Also called alpha-adrenergic receptor.
Compare beta receptor.

Origin of alpha receptor

First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020