alpha receptor
or al·pha-re·cep·tor
- a site on a cell that, upon interaction with epinephrine or norepinephrine, controls vasoconstriction, intestinal relaxation, pupil dilation, and other physiological processes.
Show More
Compare beta receptor.
Origin of alpha receptor
First recorded in 1960–65
Also called alpha-adrenergic receptor.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
alpha-receptor
- alpha-adrenergic receptor
Show More
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.