Source:http://linkedlifedata.com/resource/umls/id/C0024748
NCI: An autosomal recessive lysosomal storage disease characterized by deficient activity of the enzyme alpha-D-mannosidase. There is a wide range of signs and symptoms including hepatomegaly, splenomegaly, hearing loss, respiratory infections, mental retardation, skeletal abnormalities, leveled nasal bridge and protruding forehead.,MSH: An inborn error of metabolism marked by a defect in the lysosomal isoform of ALPHA-MANNOSIDASE activity that results in lysosomal accumulation of mannose-rich intermediate metabolites. Virtually all patients have psychomotor retardation, facial coarsening, and some degree of dysostosis multiplex. It is thought to be an autosomal recessive disorder.