Single oligodendrocyte (IMAGE) University of Zurich Caption In the optic nerve of a mouse: a single oligodendrocyte with its processes extending to intricately wrap around nerve fibers. Credit Zoe Looser and Aiman Saab, University of Zurich Usage Restrictions none 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.