ALPHA-ADRENERGIC RECEPTOR

WordNet Dictionary

	Definition:	[n] 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)

	Synonyms:	alpha receptor, alpha-adrenoceptor

	See Also:	receptor, sympathetic nervous system