CD8+ T cell in the CNS (IMAGE) University of Würzburg Caption Microscopic picture of a CD8+ T cell in the CNS of a two-year-old mouse. The cytotoxic T cell (red labelling) is located in immediate proximity to a damaged nerve fiber (green labelling) and is, according to the described results, involved in its damage. The cell nuclei of all cell bodies in the image are labelled in blue. Scale bar: 20 μm. Credit Image: Janos Groh / Reprinted by permission from Springer Nature 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.