Answer
Rochelle was afflicted with multiple sclerosis , an autoimmune disease of the myelin sheath of nerves. The trigger for the disease is often a virus. In this condition the oligodendrocytes become dysfunctional and die; the disordered myelin sheath are replaced by connective (scar) tissue.. The loss of functioning myelin segments disrupts the fast saltatory conduction necessary for control of the motion of skeletal muscles in the normal activities of life
Work Step by Step
Demyelination in multiple sclerosis takes place slowly. Early symptoms of progressive MS are numbness, double vision, speech defects, and muscle tremors. The course usually fluctuates between mild and severe stages. However, there is no cure for the disease, and finally, all patients become bedridden.
