Mucopolysaccharidosis ii

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mucopolysaccharidosis II

systemic lysosomal storage disease marked by progressive physical deterioration and caused by a deficiency of l-sulfoiduronate sulfatase. This disease differs from mucopolysaccharidosis I by slower progression, lack of corneal clouding, and x-linked rather than autosomal recessive inheritance. The mild form produces near-normal intelligence and life span. The severe form usually causes death by age 15.