WordNet
alpha receptor
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) [syn: alpha-adrenergic receptor, alpha-adrenoceptor]
Usage examples of "alpha receptor".
She pressed her hands to her temples, feeling the familiar angularity of her subcutaneous Alpha receptor against her right palm, and moistened her lips.