alpha receptor

or al·pha-re·cep·tor

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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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Also called alpha-adrenergic receptor.

Compare beta receptor.

Origin of alpha receptor

First recorded in 1960–65

How to use alpha receptor in a sentence

Alpha Team was killed, Faal told the FBI, while the Bravo members who were not gunned down fled.
The Shadowy U.S. Veteran Who Tried to Overthrow a Country|Jacob Siegel|January 6, 2015|DAILY BEAST
The conspirators were split into two teams, “Alpha” and “Bravo.”
The Shadowy U.S. Veteran Who Tried to Overthrow a Country|Jacob Siegel|January 6, 2015|DAILY BEAST
And when that happens, one “alpha dog” will run the show, usually the oldest, most experienced performer, who “knows more tricks.”
A Backstage Love Affair With Cirque du Soleil|Allison McNearney|December 1, 2014|DAILY BEAST
Former RSD instructor Nathan Kole says he saw firsthand how this “alpha male” marketing can damage students.
The Secret World of Pickup Artist Julien Blanc|Brandy Zadrozny|December 1, 2014|DAILY BEAST

Lohse rushes Sigma Alpha Epsilon, gets a bid, endures pledge term, and then submits to the dehumanizing rigors of Hell Night.
An Ivy League Frat Boy’s Shallow Repentance|Stefan Beck|November 24, 2014|DAILY BEAST
Beta is not formed from alpha; one is first, the other is second, and no one knows why.
A Philosophical Dictionary, Volume 1 (of 10)|Franois-Marie Arouet (AKA Voltaire)
The ring shown in Fig. 117 bears the sacred monogram accompanied by the significant Alpha and Omega.
The Catacombs of Rome|William Henry Withrow
The proper annual motion of the sun Alpha Centauri exceeds 188 millions of leagues per year.
Urania|Camille Flammarion
The star Alpha Cygni comes to us in a direct line at a speed of 500 millions of leagues per year.
Urania|Camille Flammarion
And I remember being jealous because she was chosen by the Kappa Alpha as a candidate.
Ruth Fielding At College|Alice B. Emerson

Medical definitions for alpha receptor

alpha-receptor

alpha-adrenergic receptor