Sphingomyelinase deficiency is seen in
High-Yield Explanation
DiseaseEnzyme DeficiencyClinical SymptomsNiemann-PickdiseaseSphingomyelinaseEnlarged liver and spleen, mental retardation;fatal in early lifeRef: Harper&;s Biochemistry; 30th edition; Chapter 24; 24 Metabolism of Acylglycerols & Sphingolipids