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Pronunciation: fi'brin

Definition: An elastic filamentous protein derived from fibrinogen by the action of thrombin, which releases fibrinopeptides A and B from fibrinogen in the coagulation of blood; a component of thrombi, vegetations, and acute inflammatory exudates such as in diphtheria and lobar pneumonia.

[L. fibra, fiber]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.