Spinal cord section (IMAGE) Northwestern University Caption Longitudinal spinal cord section treated with the most bioactive therapeutic scaffold, captured 12 weeks after injury. Blood vessels (red) regenerated within the lesion. Laminin is stained in green and cells are stained in blue. Credit Samuel I. Stupp Laboratory/Northwestern University Usage Restrictions Credit Northwestern License Original content 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.