title: Divalent cations as charge carriers in excitable membranes.
mesh_terms: D000200:Action Potentials; D000818:Animals; D001001:Anura; D001369:Axons / Q000502:physiology; D001464:Barium / Q000378:metabolism; D002118:Calcium / Q000378:metabolism; D002413:Cations, Divalent; D002463:Cell Membrane Permeability; D003445:Crustacea; D005725:Ganglia, Autonomic / Q000502:physiology; D006168:Guinea Pigs; D006329:Heart Conduction System / Q000502:physiology; D008274:Magnesium / Q000378:metabolism; D008564:Membrane Potentials; D008974:Mollusca; D009130:Muscle, Smooth / Q000502:physiology; D009132:Muscles / Q000502:physiology; D009474:Neurons / Q000502:physiology; D011188:Potassium / Q000378:metabolism; D012964:Sodium / Q000378:metabolism; D013324:Strontium / Q000378:metabolism; D013569:Synapses / Q000502:physiology; D013779:Tetrodotoxin / Q000494:pharmacology
chemical_list: D002413:Cations, Divalent; D001464:Barium; D013779:Tetrodotoxin; D012964:Sodium; D008274:Magnesium; D011188:Potassium; D002118:Calcium; D013324:Strontium