Skip to Content
Medical Term:


Pronunciation: ko'len


agent found in most animal tissues either free or in combination as lecithin (phosphatidylcholine), acetate (acetylcholine), or cytidine diphosphate (cytidine diphosphocholine). It is included in the vitamin B complex. Several salts of choline are used in medicine.

Synonym(s): lipotropic factor, transmethylation factor

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.