title: Voltage threshold in excitable cells depends on stimulus form.
mesh_terms: D000200:Action Potentials; D000818:Animals; D004524:Eels / Q000502:physiology; D004553:Electric Conductivity; D004594:Electrophysiology; D008564:Membrane Potentials; D008959:Models, Neurological; D009413:Nerve Fibers, Myelinated / Q000502:physiology; D009431:Neural Conduction; D011188:Potassium / Q000378:metabolism; D011901:Ranvier's Nodes / Q000502:physiology; D009435:Synaptic Transmission
chemical_list: D011188:Potassium