phosphatidylethanolaminemedical dictionary

<biochemistry> A major structural phospholipid in mammalian systems. Tends to be more abundant than phosphatidylcholine in the internal membranes of the cell and is an abundant component of prokaryotic membranes.

Ethanolamine is attached to phosphatidic acid by a phosphodiester linkage. Synthesis from diacyl glycerol and CDP-ethanolamine.

The condensation product of a phosphatidic acid and ethanolamine; found in biomembranes.

See: cephalin.

(05 Mar 2000)