what does myelin do in the brain
Neurons in the brain. The myelin sheath is a protective covering on the nerves in the brain. Damaged or destroyed myelin sheaths impede the nerves from sending messages to other parts of the brain.This results in loss of functioning to those areas of the brain.he myelin sheath is a protective covering on the nerves in the brain. Damaged or destroyed myelin sheaths impede the nerves from sending messages to other parts of the brain. This results in loss of functioning to those areas of the brain.