Electron microscope image of a nerve fiber with myelin (in black) in the optic nerve of an MS patient. In yellow, the spaces between myelin layers that are enlarged in MS) Disclaimer: AAAS and ...

Multiple sclerosis (MS) is a serious neurological disease that usually causes permanent disability. Approximately 2.9 million people are affected worldwide, 240,000 in Germany alone. The exact cause ...

Alzheimer’s disease damages myelin, but exactly what it does to this insulating material remains somewhat mysterious. In the June 13 Nature Neuroscience, scientists led by Jaime Grutzendler at Yale ...

You might well think that myelin, the fatty insulation that speeds action potentials between neurons, falls solely under the purview of oligodendrocytes. After all, these specialized cells wrap ...

Electron microscopy is a powerful technique that provides high-resolution images by focusing a beam of electrons to reveal fine structural details in biological and material specimens. 2 Because ...