Modification by calcium of the release of autonomic mediators in the isolated sinoatrial node.
D000109:Acetylcholine / Q000378:metabolism* / Q000494:pharmacology; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D002118:Calcium / Q000494:pharmacology*; D004558:Electric Stimulation; D004983:Ethanolamines / Q000494:pharmacology; D006329:Heart Conduction System / Q000187:drug effects*; D066298:In Vitro Techniques; D010275:Parasympathetic Nervous System / Q000502:physiology; D011817:Rabbits; D012110:Reserpine / Q000494:pharmacology; D012849:Sinoatrial Node / Q000502:physiology; D013564:Sympathetic Nervous System / Q000502:physiology
D004983:Ethanolamines; D001285:Atropine; D012110:Reserpine; D000109:Acetylcholine; D002118:Calcium