title: A model of the nerve impulse using two first-order differential equations.
mesh_terms: D000200:Action Potentials; D000818:Animals; D008433:Mathematics; D008954:Models, Biological; D009415:Nerve Net / Q000502:physiology*; D009424:Nervous System Physiological Phenomena; D009431:Neural Conduction; D012908:Snails / Q000502:physiology