[Membrane excitation and calcium].
D000200:Action Potentials; D000818:Animals; D001693:Biological Transport, Active; D002118:Calcium / Q000378:metabolism / Q000502:physiology*; D002462:Cell Membrane / Q000502:physiology*; D002463:Cell Membrane Permeability; D008564:Membrane Potentials
D002118:Calcium