title: Tetrodotoxin sensitivity in the developing and adult chick heart.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D002642:Chick Embryo; D002645:Chickens; D004305:Dose-Response Relationship, Drug; D006321:Heart / Q000187:drug effects* / Q000196:embryology / Q000254:growth & development; D007473:Ion Channels / Q000378:metabolism*; D008564:Membrane Potentials / Q000187:drug effects; D008839:Microelectrodes; D009206:Myocardium / Q000378:metabolism; D012964:Sodium / Q000378:metabolism*; D013779:Tetrodotoxin / Q000494:pharmacology*
chemical_list: D007473:Ion Channels; D013779:Tetrodotoxin; D012964:Sodium