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Medical Term:


Pronunciation: fi'bro-nek'tinz


High molecular weight multifunctional glycoproteins found on cell surface membranes and in blood plasma and other body fluids. Fibronectins are thought to function as adhesive ligandlike molecules that play a role in contact inhibition; also known as large external transformation sensitive protein (LETS), which is reduced after cells become transformed.

Synonym(s): zetaprotein

[L. fibra, fiber, + nexus, interconnection]

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