is an autosomal recessive disorder which results in the loss of motor function and the degradation of mental ability, with an average onset age of 1-year-old, however some cases have appeared between the ages of 3 and 10. It is a direct result of the deficiency of the enzyme arylsulfatase A, leading to the myelin coating neurons.

METACHROMATIC LEUKODYSTROPHY: “The autosomal recessive disorder metachromatic leukodystrophy arises due to the lack of the enzyme arylsulfatase.”
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