alpha-adrenergic receptor
noun Physiology.
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Words nearby alpha-adrenergic receptor
alpha stock, alpha test, alpha wave, alpha-adrenergic, alpha-adrenergic blocking agent, alpha-adrenergic receptor, alpha-amino acid, alpha-aminosuccinic acid, alpha-beta brass, alpha-blocker, alpha-fetoprotein
Definition for alpha-adrenergic receptor (2 of 2)
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.
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
Medical definitions for alpha-adrenergic receptor
alpha-adrenergic receptor
n.
Any of various cell membrane receptors that can bind with norepinephrine and related substances that activate or block the actions of the cells containing such receptors; these cells initiate physiological responses such as vasoconstriction, pupil dilation, and contraction of pilomotor muscles.alpha-receptor
The American Heritage® Stedman's Medical Dictionary
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