title: Relation of substance P to pain transmission: neurophysiological evidence.
mesh_terms: D000698:Analgesia; D000818:Animals; D001933:Brain Stem / Q000502:physiology; D003714:Denervation; D004594:Electrophysiology; D004723:Endorphins / Q000502:physiology; D006801:Humans; D009046:Motor Neurons / Q000502:physiology; D009474:Neurons / Q000187:drug effects; D009475:Neurons, Afferent / Q000502:physiology; D009619:Nociceptors / Q000502:physiology*; D010146:Pain / Q000503:physiopathology; D013373:Substance P / Q000494:pharmacology / Q000502:physiology*; D013569:Synapses / Q000502:physiology; D009435:Synaptic Transmission
chemical_list: D004723:Endorphins; D013373:Substance P