Multiple Sclerosis: Understanding Myelin Sheath Damage & Its Effects

The correct answer is: Myelin Sheath

The myelin sheath is an insulating layer that covers the axons of neurons in the central nervous system. In multiple sclerosis, the myelin sheath is damaged, resulting in impaired transmission of nerve impulses and a variety of symptoms, including fatigue, weakness, vision problems, and difficulty with coordination and balance.