title: [Changes of 3H-5-HT in the mesencephalon aqueduct and periaqueductal gray matter in the process of acupuncture analgesia].
mesh_terms: D015670:Acupuncture Therapy; D000818:Animals; D001345:Autoradiography; D002535:Cerebral Aqueduct / Q000032:analysis*; D004599:Electric Stimulation Therapy; D008297:Male; D008636:Mesencephalon / Q000032:analysis*; D010487:Periaqueductal Gray / Q000032:analysis*; D051381:Rats; D012701:Serotonin / Q000378:metabolism*; D004561:Transcutaneous Electric Nerve Stimulation
chemical_list: D012701:Serotonin