Nerve Cell + Fiber (image) University of Michigan Health System Caption This shows an oligodendrocyte nerve cell (red/purple) wrapped around a polymer nanofiber (white/clear). Credit Univ. of Michigan/UCSF Usage Restrictions None 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.