Independence of the sodium and potassium conductance channels. A kinetic argument.
D002462:Cell Membrane; D004553:Electric Conductivity; D007700:Kinetics; D008433:Mathematics; D008959:Models, Neurological; D009413:Nerve Fibers, Myelinated; D011188:Potassium; D012964:Sodium
D012964:Sodium; D011188:Potassium