title: Periaqueductal gray stimulation in humans produces analgesia accompanied by elevation of beta-endorphin and ACTH in ventricular CSF.
mesh_terms: D000324:Adrenocorticotropic Hormone / Q000134:cerebrospinal fluid*; D000368:Aged; D000818:Animals; D002535:Cerebral Aqueduct / Q000502:physiology*; D004558:Electric Stimulation; D004723:Endorphins / Q000134:cerebrospinal fluid*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009619:Nociceptors / Q000502:physiology*; D010148:Intractable Pain / Q000134:cerebrospinal fluid / Q000523:psychology; D051381:Rats; D012653:Self Stimulation / Q000502:physiology; D012684:Sensory Thresholds; D001615:beta-Endorphin
chemical_list: D004723:Endorphins; D001615:beta-Endorphin; D000324:Adrenocorticotropic Hormone