Pre- and postsynaptic origin of the norepinephrine metabolites formed during transmitter release elicited by nerve stimulation.

Animals Catechol O-Methyltransferase Inhibitors Cats Chromatography Cocaine/pharmacology Denervation Electric Stimulation Fluorometry In Vitro Techniques Kinetics Monoamine Oxidase Inhibitors/pharmacology Muscle, Smooth/analysis,metabolism Neurons/drug effects,metabolism,physiology Nictitating Membrane/metabolism Norepinephrine/antagonists & inhibitors,metabolism Normetanephrine/pharmacology Phenoxybenzamine/administration & dosage,metabolism Synaptic Transmission Tritium

Catechol O-Methyltransferase Inhibitors Monoamine Oxidase Inhibitors Normetanephrine Phenoxybenzamine Tritium Cocaine Norepinephrine