title: An enkephalinergic gating system involved in nociception?
mesh_terms: D000818:Animals; D004723:Endorphins / Q000502:physiology*; D004745:Enkephalins / Q000502:physiology*; D005971:Glutamates / Q000494:pharmacology; D009270:Naloxone / Q000494:pharmacology; D009474:Neurons / Q000502:physiology; D010146:Pain / Q000503:physiopathology*; D013116:Spinal Cord / Q000187:drug effects; D013373:Substance P / Q000502:physiology; D013376:Substantia Gelatinosa / Q000502:physiology
chemical_list: D004723:Endorphins; D004745:Enkephalins; D005971:Glutamates; D013373:Substance P; D009270:Naloxone