Definition of Alpha Receptor in English :

Define Alpha Receptor in English

Alpha Receptor meaning in English

Meaning of Alpha Receptor in English

Pronunciation of Alpha Receptor in English

Alpha Receptor pronunciation in English

Pronounce Alpha Receptor in English

Alpha Receptor

see synonyms of alpha receptor

Noun

1. alpha receptor, alpha-adrenergic receptor, alpha-adrenoceptor

receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasoconstriction and relaxation of intestinal muscles and contraction of smooth muscles)

WordNet Lexical Database for English. Princeton University. 2010.


Alpha Receptor

see synonyms of alpha receptor
a receptor, found on the surface of some cells of the sympathetic nervous system, that is stimulated by adrenergic substances resulting in constriction of blood vessels and contraction of most smooth muscle
see also beta receptor

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


Alpha Receptor

see synonyms of alpha receptor
n.
A site in the autonomic nervous system in which excitatory responses occur when adrenergic agents, such as norepinephrine and epinephrine, are released. Activation of alpha-receptors causes various physiological reactions, including the stimulation of associated muscles and the constriction of blood vessels. Also called alpha-adrenergic receptor.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.