title: Sympathetic control of rhythmically active vascular smooth muscle as studied by a nerve-muscle preparation of portal vein.
mesh_terms: D000818:Animals; D001794:Blood Pressure; D002415:Cats; D004594:Electrophysiology; D006145:Guanethidine / Q000494:pharmacology; D066298:In Vitro Techniques; D009130:Muscle, Smooth / Q000294:innervation; D009469:Neuromuscular Junction / Q000502:physiology; D009638:Norepinephrine / Q000494:pharmacology; D011169:Portal Vein; D011817:Rabbits; D012039:Regional Blood Flow; D013564:Sympathetic Nervous System / Q000502:physiology; D009435:Synaptic Transmission; D014666:Vasomotor System / Q000502:physiology*
chemical_list: D009638:Norepinephrine; D006145:Guanethidine