title: Three modes of communication in the nervous system.
mesh_terms: D000200:Action Potentials; D000818:Animals; D001921:Brain / Q000502:physiology*; D004745:Enkephalins / Q000502:physiology; D006801:Humans; D007700:Kinetics; D008564:Membrane Potentials; D051379:Mice; D009474:Neurons / Q000502:physiology*; D018377:Neurotransmitter Agents / Q000502:physiology; D013116:Spinal Cord / Q000502:physiology; D005680:gamma-Aminobutyric Acid / Q000502:physiology
chemical_list: D004745:Enkephalins; D018377:Neurotransmitter Agents; D005680:gamma-Aminobutyric Acid