Le site de vulgarisation scientifique de l’Université de Liège. ULg, Université de Liège
myelin

White fatty tissue which surrounds the nerve fibers. In the brain and the spinal cord (central nervous system), the nerves are wrapped in a protective layer of fat which is necessary for the rapid transmission of electric signals. It is this layer that is attacked by an inflammatory process in the case of multiple sclerosis, which causes interference with the information sent by the brain to the rest of the body.

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