Niemann-Pick disease
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Niemann-Pick disease
[′nē‚män ′pik di‚zēz] (medicine)
A hereditary sphingolipidosis due to an enzyme deficiency resulting in abnormal accumulation of sphingomyelin; symptoms include anemia, enlargement of the liver, spleen, and lymph nodes, gastrointestinal disturbances, and various neurologic deficits. Also known as lipid hystiocytosis.