Walter Has a Degenerative Condition Known as Multiple Sclerosis (MS)

Multiple Choice

Walter has a degenerative condition known as multiple sclerosis (MS) .In the context of specialized cell structure,his disease is most likely caused by the:

A) replacement of scar tissue by the myelin sheath.
B) hardening of the myelin sheath.
C) duplication of mirror neurons.
D) conversion of glial cells to neurons.