Effects of tetrodotoxin on the action potential in Na-free media.
D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001001:Anura; D004594:Electrophysiology; D005727:Ganglia, Spinal / Q000187:drug effects*; D009132:Muscles / Q000187:drug effects*; D013779:Tetrodotoxin / Q000494:pharmacology; D014118:Toxins, Biological / Q000494:pharmacology*
D014118:Toxins, Biological; D013779:Tetrodotoxin