The relationship between the transmembrane action potential and the voltage-time-dependent, negative resistance characteristics of the voltage-current curves of excitable pacemaker and nonpacemaker cell membranes.
D000200:Action Potentials; D006329:Heart Conduction System / Q000502:physiology*; D006801:Humans; D007474:Ion Exchange; D008564:Membrane Potentials; D009431:Neural Conduction; D011689:Purkinje Cells / Q000502:physiology