Phospholipids are typical lipids, except that a phosphate group (POO4) is bonded to one end of one of the fatty acid chains. See lipids.
Phospholipids-Fat-containing phosphorous. The most important are lecithins and sphingomyelin, which are important in the maturation of fetal lungs before birth.
Component of cell surface membranes everywhere in the body. Constituents of all tissues and organs especially the brain.