Evidence of Repair after Head Injury in Humans (image) NIH/National Institute of Neurological Disorders and Stroke Share Print E-Mail Caption One day after head injury (left), bright dye along the edge of the brain suggests damage to the meninges, or the brain's protective lining. After 35 days (right), the dye no longer appears, indicating the meninges may have healed. Credit Larry Latour, Ph.D., National Institute of Neurological Disorders and Stroke. Usage Restrictions For educational use only. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.