Mild Traumatic Brain Injury Induces Axonal Varicosities in Mice (image) Rockefeller University Press Share Print E-Mail Caption Compared with an axon (green) in a healthy mouse brain (top), axonal varicosities can be seen in the brain of a mouse with a mild traumatic brain injury (bottom). Credit Gu et al., 2017 Usage Restrictions Reporters may freely use these materials in news coverage with the appropriate credit information. 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.