Effects of tetrodotoxin on excitability of squid giant axons in sodium-free media.
D000818:Animals; D001369:Axons / Q000187:drug effects*; D001464:Barium / Q000494:pharmacology; D002118:Calcium / Q000494:pharmacology; D004594:Electrophysiology; D006146:Guanidines / Q000494:pharmacology; D006834:Hydrazines / Q000494:pharmacology; D006898:Hydroxylamines / Q000494:pharmacology; D008974:Mollusca; D011188:Potassium / Q000494:pharmacology; D000644:Quaternary Ammonium Compounds / Q000494:pharmacology; D012964:Sodium / Q000494:pharmacology; D013324:Strontium / Q000494:pharmacology; D013779:Tetrodotoxin / Q000494:pharmacology; D014118:Toxins, Biological / Q000494:pharmacology*
D006146:Guanidines; D006834:Hydrazines; D006898:Hydroxylamines; D000644:Quaternary Ammonium Compounds; D014118:Toxins, Biological; D001464:Barium; D013779:Tetrodotoxin; D012964:Sodium; D011188:Potassium; D002118:Calcium; D013324:Strontium