In Multiple Sclerosis, There Is Progressive and Intermittent Damage to the Myelin

question 127

Essay

In multiple sclerosis, there is progressive and intermittent damage to the myelin sheath of peripheral nerves. This results in poor motor control of the affected area. Why does destruction of the myelin sheath affect motor control?

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Definitions:

Causal Relationship

A connection between two variables where a change in one directly causes a change in the other.

Pickup Truck

A light motor vehicle with an open-top rear cargo area (bed), typically used for transporting goods.

Negatively Correlated

Refers to two variables which move in opposite directions; when one variable increases, the other decreases, and vice versa.

Variables

Elements, features, or factors that are likely to vary or change and can be measured, controlled, or manipulated in experiments or models.