- the insoluble protein end product of blood coagulation, formed from fibrinogen by the action of thrombin in the presence of calcium ions.
- Botany. a fibrinlike substance found in some plants; gluten.
Origin of fibrin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for fibrin
Clotting; in the blood, the result of fibrinogen changing to fibrin.Surgery, with Special Reference to Podiatry
The color of the clot is due to the entanglement of the corpuscles with the fibrin.A Treatise on Physiology and Hygiene
Joseph Chrisman Hutchison
Further, Schtzenberger showed that the fibrin in undergoing this transformation had taken on 3.97 per cent.On Digestive Proteolysis
R. H. Chittenden
Fibrin, or the elements which compose it, also escapes to infiltrate the mucous membrane and remain upon its surface.
However, it has been rendered probable that the amyloid deposit has close affinities with fibrin.
- a white insoluble elastic protein formed from fibrinogen when blood clots: forms a network that traps red cells and platelets
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for fibrin
Online Etymology Dictionary, © 2010 Douglas Harper
- An elastic, insoluble, whitish protein derived from fibrinogen by the action of thrombin and forming an interlacing fibrous network in the coagulation of blood.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A fibrous protein produced by the action of thrombin on fibrinogen and essential to the coagulation of blood. Fibrin works by forming a fibrous network in which blood cells become trapped, thereby producing a clot.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.