Oligodendrocyte and myelin (IMAGE) University of Pittsburgh Caption Image of oligodendrocyte and myelin (green) in the brain next to an implanted microelectrode. Oligodendrocyte somas are denoted by white arrows, blood vessels are shown in red, and the microelectrode shank is outlined in blue. Credit Keying Chen / University of Pittsburgh Usage Restrictions N/A 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.