Skip to Content
Medical Term:


Pronunciation: fi'bril-in

Definition: A microfibrillar protein in connective tissue with a wide distribution in the body; molecular weight about 350,000. There is good evidence that Marfan syndrome is due to mutations of fibrillin.

[Mod. L. fibrilla, fibril, + -in]

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