lysosomal storage disease


lysosomal storage disease

 any error of metabolism" >inborn error of metabolism in which the deficiency of a lysosomal enzyme results in accumulation of the substance normally degraded by that enzyme in the lysosomes of certain cells. These diseases are further classified, depending on the nature of the stored substance, as glycogen storage diseases (glycogenoses), sphingolipidoses, mucopolysaccharidoses, and mucolipidoses.

lysosomal storage disease

n. Any of various genetic diseases caused by a deficiency or defect in a specific lysosomal enzyme or in another lysosomal protein and resulting in the accumulation of undegraded macromolecules in the lysosomes.