title: Calcium ions as inward current carriers in mollusc neurones.
mesh_terms: D000200:Action Potentials; D000818:Animals; D002118:Calcium / Q000502:physiology*; D008974:Mollusca; D009474:Neurons / Q000502:physiology*; D011188:Potassium / Q000502:physiology; D012908:Snails; D012964:Sodium / Q000502:physiology
chemical_list: D012964:Sodium; D011188:Potassium; D002118:Calcium