alpha_receptor
1. [ noun ] (zoology,physiology) 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)
Synonyms: alpha-adrenoceptor alpha-adrenergic_receptor
Related terms: receptor sympathetic_nervous_system
Similar spelling:   alpha_radiation
  alpha_rhythm