What does alpha-adrenergic receptor mean?
• ALPHA-ADRENERGIC RECEPTOR (noun) The noun ALPHA-ADRENERGIC RECEPTOR has 1 sense: 1. 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) Familiarity information: ALPHA-ADRENERGIC RECEPTOR used as a noun is very rare.