Diminishing Myelin Sheaths (IMAGE) University of Zurich Caption Diminishing myelin sheaths: The damaged areas (at the bottom of the image) of the brains of MS patients lack myelin (at the top, in blue). (Image: Dr. med. Imke Metz, University of Göttingen, Germany) Credit Image: Dr. med. Imke Metz, University of Göttingen, Germany 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.