title: The action of clonidine on isolated arterial preparations.
mesh_terms: D000818:Animals; D001158:Arteries / Q000187:drug effects*; D003000:Clonidine / Q000494:pharmacology*; D003042:Cocaine / Q000494:pharmacology; D003250:Constriction; D004431:Ear, External / Q000098:blood supply; D006632:Histamine / Q000494:pharmacology; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects; D009638:Norepinephrine / Q000494:pharmacology; D010477:Perfusion; D010646:Phentolamine / Q000494:pharmacology; D011817:Rabbits; D051381:Rats; D011941:Receptors, Adrenergic / Q000187:drug effects; D013562:Sympathectomy; D013623:Tail / Q000098:blood supply
chemical_list: D011941:Receptors, Adrenergic; D006632:Histamine; D003042:Cocaine; D003000:Clonidine; D009638:Norepinephrine; D010646:Phentolamine