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Posts: 3560
13 years ago
In multiple sclerosis, there is progressive and intermittent damage to the myelin sheath of central axons. One symptom is poor motor control of the affected area. Why does destruction of the myelin sheath affect motor control?
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Educator
13 years ago
Loss of myelin slows or stops impulse conduction, preventing descending tracts from regulating spinal motor neurons, and leading to loss of coordination and the ability to correct for gravity, movement, and so on.
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