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a group of phospholipids that on hydrolysis yield phosphoric acid, choline, sphingosine, and a fatty acid.
sphingomyelin/sphin·go·my·elin/ (-mi´ĕ-lin) any of the sphingolipids in which the head group is phosphorylated choline; they occur in membranes, primarily in nervous tissue, and accumulate abnormally in Niemann-Pick disease.
Etymology: Gk, sphingein + myelos, marrow
any of a group of sphingolipids containing phosphorus. It occurs primarily in the tissue of the nervous system, generally in membranes, and in the lipids in the blood.
Niemann-Pick lipidsA generic term for phospholipids involved in lysosomal storage disease.
a group of phospholipids that on hydrolysis yield phosphoric acid, choline, sphingosine and a fatty acid.