Proceedings: Contractile force, the cardiac function most susceptible to tetrodotoxin.
D000818:Animals; D004285:Dogs; D006321:Heart / Q000187:drug effects*; D010210:Papillary Muscles / Q000187:drug effects; D012849:Sinoatrial Node / Q000187:drug effects; D013779:Tetrodotoxin / Q000494:pharmacology*
D013779:Tetrodotoxin