Sphingomyelins

**Definition:** A class of sphingolipids found largely in the brain and other nervous tissue. They contain phosphocholine or phosphoethanolamine as their polar head group so therefore are the only sphingolipids classified as PHOSPHOLIPIDS.

**Tree numbers:** - D09.400.410.420.525.870 - D10.390.470.675.870 - D10.570.755.893 - D10.570.877.360.612.870

**Synonyms:** - Sphingomyelin