title: Characterization of adrenergic receptors, with examples from some sympathetically innervated structures.
mesh_terms: D000318:Adrenergic beta-Agonists / Q000494:pharmacology; D006801:Humans; D009119:Muscle Contraction / Q000187:drug effects; D009126:Muscle Relaxation / Q000187:drug effects; D009132:Muscles / Q000294:innervation; D011941:Receptors, Adrenergic / Q000502:physiology*; D011943:Receptors, Adrenergic, beta / Q000187:drug effects / Q000502:physiology*
chemical_list: D000318:Adrenergic beta-Agonists; D011941:Receptors, Adrenergic; D011943:Receptors, Adrenergic, beta