- sphingomyelin (substance)
- 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.
Definition from: MeSH via Unified Medical Language System at the National Library of Medicine
- Ceramide with phosphocholine head group.
Definition from: CRISP Thesaurus via Unified Medical Language System at the National Library of Medicine
See also Understanding Medical Terminology.