Skip to Content
Medical Term:


Pronunciation: sis'ten, sis'tin


the disulfide product of two cysteines in which two —SH groups become one —S—S— group; if two cysteinyl residues in polypeptide chains form a disulfide linkage, then the two polymers are cross-linked; sometimes occurs as a deposit in the urine, or forming a vesical calculus.

Synonym(s): dicysteine

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