Demyelination is damage to myelin, the fatty coating that protects nerves and speeds signals. When myelin breaks down, nerve messages slow and axons can deteriorate. Symptoms depend on where myelin is ...

Demyelinating diseases, such as multiple sclerosis (MS), involve damage to myelin, the protective coating of nerve cells. Depending on the disease, they can lead to weakness, vision loss, and other ...

Demyelination is a term used to describe the destruction of a substance called myelin that surrounds axonal fibres. This is caused by diseases that damage the myelin sheath or the cells that form it.

Demyelination occurs when the protective covering of nerve fibers in the brain, spinal cord, and optic nerves, known as myelin, is damaged. This myelin sheath facilitates the rapid transmission of ...