title: Presynaptic action of noradrenaline in the myenteric plexus.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D001339:Autonomic Fibers, Preganglionic / Q000502:physiology; D004558:Electric Stimulation; D004594:Electrophysiology; D004837:Epinephrine / Q000494:pharmacology; D006168:Guinea Pigs; D006584:Hexamethonium Compounds / Q000494:pharmacology; D066298:In Vitro Techniques; D008839:Microelectrodes; D009197:Myenteric Plexus / Q000187:drug effects*; D009638:Norepinephrine / Q000494:pharmacology*; D010643:Phenoxybenzamine / Q000494:pharmacology
chemical_list: D006584:Hexamethonium Compounds; D010643:Phenoxybenzamine; D000109:Acetylcholine; D009638:Norepinephrine; D004837:Epinephrine