Development of sensitivity to tetrodotoxin of chick embryonic hearts with age.
D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001464:Barium / Q000494:pharmacology; D002642:Chick Embryo; D004351:Drug Resistance; D006321:Heart / Q000196:embryology* / Q000294:innervation; D007473:Ion Channels / Q000187:drug effects; D007811:Lanthanum / Q000494:pharmacology; D009200:Myocardial Contraction / Q000187:drug effects*; D012964:Sodium / Q000494:pharmacology; D013779:Tetrodotoxin / Q000494:pharmacology*; D013997:Time Factors
D007473:Ion Channels; D001464:Barium; D013779:Tetrodotoxin; D007811:Lanthanum; D012964:Sodium