Inborn errors of metabolism characterized by defects in specific lysosomal hydrolases and resulting in intracellular accumulation of unmetabolized substrates.

Synonyms: Enzyme Disorder, Lysosomal, Disease, Lysosomal Storage, Lysosomal Storage Diseases, Diseases, Lysosomal Storage, Lysosomal Enzyme Disorders, Lysosomal Storage Disease, Enzyme Disorders, Lysosomal, Disorder, Lysosomal Enzyme, Lysosomal Enzyme Disorder, Disorders, Lysosomal Enzyme