Spinal cord section (IMAGE) Northwestern University Caption Longitudinal spinal cord section treated with the most bioactive therapeutic scaffold. Regenerated axons (red) regrew within the lesion. 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.