Excitability of squid giant axons in the absence of univalent cations in the external medium.
D000200:Action Potentials; D000818:Animals; D001369:Axons / Q000502:physiology*; D001464:Barium / Q000494:pharmacology; D002122:Calcium Chloride / Q000494:pharmacology; D002462:Cell Membrane / Q000502:physiology; D004594:Electrophysiology; D066298:In Vitro Techniques; D008974:Mollusca; D010447:Peptide Hydrolases / Q000494:pharmacology; D013324:Strontium / Q000494:pharmacology; D013757:Tetraethylammonium Compounds
D013757:Tetraethylammonium Compounds; D001464:Barium; D010447:Peptide Hydrolases; D002122:Calcium Chloride; D013324:Strontium