title: Nervous and myogenic mechanisms in the control of a vascular neuroeffector system.
mesh_terms: D000818:Animals; D004558:Electric Stimulation; D009119:Muscle Contraction; D009124:Muscle Proteins; D009130:Muscle, Smooth / Q000294:innervation*; D009451:Neuroeffector Junction / Q000502:physiology*; D009638:Norepinephrine / Q000378:metabolism / Q000494:pharmacology; D011169:Portal Vein; D051381:Rats; D009435:Synaptic Transmission; D014316:Tritium; D014666:Vasomotor System
chemical_list: D009124:Muscle Proteins; D014316:Tritium; D009638:Norepinephrine