title: Effect of tetrodotoxin on electrically-induced release of autonomic mediators in the rabbit sinoatrial node.
mesh_terms: D000109:Acetylcholine / Q000378:metabolism*; D000818:Animals; D001341:Autonomic Nervous System / Q000187:drug effects; D001369:Axons; D004558:Electric Stimulation; D006325:Heart Atria / Q000187:drug effects / Q000294:innervation; D006339:Heart Rate / Q000187:drug effects; D066298:In Vitro Techniques; D009638:Norepinephrine / Q000378:metabolism* / Q000494:pharmacology; D011817:Rabbits; D012849:Sinoatrial Node / Q000187:drug effects*; D012964:Sodium / Q000378:metabolism; D009435:Synaptic Transmission / Q000187:drug effects*; D013779:Tetrodotoxin / Q000494:pharmacology*
chemical_list: D013779:Tetrodotoxin; D012964:Sodium; D000109:Acetylcholine; D009638:Norepinephrine