[The role of the mesencephalic gray in acupuncture analgesia].
D015670:Acupuncture Therapy; D000698:Analgesia; D000818:Animals; D006801:Humans; D010487:Periaqueductal Gray / Q000502:physiology*; D011957:Receptors, Opioid / Q000502:physiology; D011985:Receptors, Serotonin / Q000502:physiology
D011957:Receptors, Opioid; D011985:Receptors, Serotonin