alpha-receptor

alpha receptor

noun
a site on a cell that, upon interaction with epinephrine or norepinephrine, controls vasoconstriction, intestinal relaxation, pupil dilation, and other physiological processes.
Also, alpha-receptor.
Also called alpha-adrenergic receptor.
Compare beta receptor.


Origin:
1960–65

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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