contrecoup injury of brain
con·tre·coup in·ju·ry of brain
an injury occurring beneath the skull opposite to the area of impact.
con·tre·coup in·ju·ry of brain(kōn'trĕ-kū' in'jŭr-ē brān)
Concussion, contusion, or laceration due to propulsion of the brain in its fluid medium against the inner surface of the skull at a site approximately opposite the point of external impact.