Axons (IMAGE) University of California - Riverside Caption (A-B) Single neurons with axons (green). (C-D) Length of axonal tracts (arrows) in mouse brains. Credit Zheng lab, UC Riverside Usage Restrictions none License Licensed 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.