Calcium and the excitable cell membrane.
D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001001:Anura; D001693:Biological Transport, Active / Q000187:drug effects; D002025:Bufonidae; D002118:Calcium / Q000494:pharmacology / Q000502:physiology*; D002462:Cell Membrane / Q000502:physiology*; D002463:Cell Membrane Permeability / Q000187:drug effects; D002712:Chlorides / Q000378:metabolism; D003864:Depression, Chemical; D005727:Ganglia, Spinal / Q000502:physiology; D008564:Membrane Potentials / Q000187:drug effects; D009132:Muscles / Q000502:physiology; D009474:Neurons / Q000502:physiology; D011188:Potassium / Q000378:metabolism; D011892:Rana catesbeiana; D011894:Rana pipiens; D012964:Sodium / Q000378:metabolism; D013268:Stimulation, Chemical; D013696:Temperature; D013997:Time Factors
D002712:Chlorides; D012964:Sodium; D011188:Potassium; D002118:Calcium