sphingolipidosis

sphingolipidosis
Collective designation for a variety of diseases characterized by abnormal sphingolipid metabolism, e.g., gangliosidosis, Gaucher disease, Niemann-Pick disease. SYN: sphingolipodystrophy.
- cerebral s. any one of a group of inherited diseases characterized by failure to thrive, hypertonicity, progressive spastic paralysis, loss of vision and occurrence of blindness, usually with macular degeneration and optic atrophy, convulsions, and mental deterioration; associated with abnormal storage of sphingomyelin and related lipids in the brain. Four types are recognized as clinically and enzymatically distinct: 1) infantile type (Tay-Sachs disease, GM2 gangliosidosis) due to a deficiency of hexosaminidase A; 2) early juvenile type (Jansky-Bielschowsky or Bielschowsky disease); 3) late juvenile type (Spielmeyer-Vogt disease; Spielmeyer-Sjögren disease; Batten-Mayou disease; ceroid lipofuscinosis); and 4) adult type (Kufs disease). SYN: cerebral lipidosis.

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sphin·go·lip·i·do·sis -.lip-ə-'dō-səs n, pl -do·ses -.sēz any of various usu. hereditary disorders (as Gaucher's disease and Tay-Sachs disease) characterized by abnormal metabolism and storage of sphingolipids

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sphin·go·lip·i·do·sis (sfing″go-lip″ĭ-doґsis) [sphingolipid + -osis] any of various lysosomal storage diseases characterized by abnormal storage of sphingolipids.

Medical dictionary. 2011.

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