Meaning of sphingomyelin

sphin•go•my•e•lin

Pronunciation: (sfing"gō-mī'u-lin), [key]
  1. any of the class of phospholipids occurring chiefly in the brain and spinal cord, composed of phosphoric acid, choline, sphingosine, and a fatty acid.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.