title: The mechanism of tetrodotoxin on the in situ acetylcholinesterase in the vagal heart system of Rana pipiens.
mesh_terms: D000109:Acetylcholine / Q000378:metabolism; D000818:Animals; D001001:Anura; D002800:Cholinesterase Inhibitors; D003864:Depression, Chemical; D006321:Heart / Q000294:innervation*; D007700:Kinetics; D009469:Neuromuscular Junction / Q000201:enzymology*; D009435:Synaptic Transmission / Q000187:drug effects; D013779:Tetrodotoxin / Q000494:pharmacology*; D014630:Vagus Nerve / Q000201:enzymology*
chemical_list: D002800:Cholinesterase Inhibitors; D013779:Tetrodotoxin; D000109:Acetylcholine