A group of enzymatic disorders affecting the nervous system and to a variable degree the skeletal system, lymphoreticular system, and other organs. The conditions are marked by an abnormal accumulation of catabolic material within lysosomes.

Synonyms: Nervous System Lysosomal Enzyme Disorders, Lysosomal Storage Diseases, Nervous System, Lysosomal Enzyme Disorders, Nervous System, Nervous System Lysosomal Storage Diseases