- 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 fibrinous
This accomplished, with a pair of scissors the fibrinous tumors were snipped off.The Dog
Dinks, Mayhew, and Hutchinson
Many of these cases are associated with a fibrinous pleurisy.Special Report on Diseases of Cattle
U.S. Department of Agriculture
Samson observed an instance in which a fibrinous effusion formed upon the sciatic nerve, with consequent pain.
The vesicles soon undergo rupture, and the resulting ulcers coalesce and become covered with a fibrinous exudation.
Still again, the inflammation may be so changed as to make a fibrinous flow to this second series of bladders.
- of, containing, or resembling fibrin
- a white insoluble elastic protein formed from fibrinogen when blood clots: forms a network that traps red cells and platelets
Word Origin and History for fibrinous
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.
- 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.