Definition: Central gray matter surrounding the cerebral aqueduct in the mesencephalon. Physiologically it is probably involved in rage reactions, the lordosis reflex, feeding responses, bladder tonus, and pain.
Other names Midbrain Central Gray; Mesencephalic Central Gray; Gray, Periaqueductal; Gray, Midbrain Central; Gray, Mesencephalic Central; Central Gray, Midbrain; Central Gray, Mesencephalic
