Effect of morphine on electrically-induced release of autonomic mediators in the rabbit sinoatrial node.
D000109:Acetylcholine / Q000502:physiology; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D004558:Electric Stimulation; D006325:Heart Atria / Q000187:drug effects; D006329:Heart Conduction System / Q000187:drug effects*; D006584:Hexamethonium Compounds / Q000494:pharmacology; D066298:In Vitro Techniques; D009020:Morphine / Q000494:pharmacology*; D011433:Propranolol / Q000494:pharmacology; D011817:Rabbits; D012849:Sinoatrial Node / Q000187:drug effects
D006584:Hexamethonium Compounds; D009020:Morphine; D001285:Atropine; D011433:Propranolol; D000109:Acetylcholine