a bruising injury Spinal cord contusions result in a cavity or hole in the center of the spinal cord Myelinated axons typically survive around the perimeter of the spinal cord, and the dura may even remain unbroken by the injury
Any injury (usually caused by a blow) in which the skin is not broken (a bruise) In the brain, this could result from a rapid deceleration of the head causing the brain to impact on the skull's internal bony prominences