Periaqueductal gray matter ( PAG ) is closely concerned in the analgesia of electrostimulation of the brain and acupuncture .
中脑导水管周围灰质(FAG)与电刺激镇痛、针刺镇痛有密切关系。
Projections of diencephalon onto the mesencephalic periaqueductal gray matter in the rat
大鼠间脑向中脑导水管周围灰质的投射