title: Brainstem control of spinal pain-transmission neurons.
mesh_terms: D000698:Analgesia; D000818:Animals; D001933:Brain Stem / Q000187:drug effects / Q000502:physiology*; D002415:Cats; D004285:Dogs; D004305:Dose-Response Relationship, Drug; D004723:Endorphins / Q000378:metabolism; D000882:Haplorhini; D006801:Humans; D009020:Morphine / Q000494:pharmacology; D009434:Neural Pathways / Q000502:physiology; D009474:Neurons / Q000502:physiology; D009619:Nociceptors / Q000187:drug effects / Q000502:physiology; D010146:Pain; D011903:Raphe Nuclei / Q000502:physiology; D051381:Rats; D013116:Spinal Cord / Q000378:metabolism / Q000502:physiology*; D013133:Spinothalamic Tracts / Q000187:drug effects / Q000502:physiology; D009435:Synaptic Transmission
chemical_list: D004723:Endorphins; D009020:Morphine