brɪnBased on the Random House Dictionary, © Random House, Inc. 2013.
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fibrin (ˈfɪbrɪn) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| a white insoluble elastic protein formed from fibrinogen when blood clots: forms a network that traps red cells and platelets | |
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| plants with true roots, stems and leaves dispersed by spores because they don't produce seeds |
| phase in plant life which begins with a spore produced by meiosis |
fibrin fi·brin (fī'brĭn)
n.
An elastic, insoluble, whitish protein derived from fibrinogen by the action of thrombin and forming an interlacing fibrous network in the coagulation of blood.
fi'brin·ous adj.
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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fibrin  (fī'brĭn) Pronunciation Key
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, producing a clot. |
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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fibrin
an insoluble protein that is produced in response to bleeding and is the major component of the blood clot. Fibrin is a tough protein substance that is arranged in long fibrous chains; it is formed from fibrinogen, a soluble protein that is produced by the liver and found in blood plasma. When tissue damage results in bleeding, fibrinogen is converted at the wound into fibrin by the action of thrombin, a clotting enzyme. Fibrin molecules then combine to form long fibrin threads that entangle platelets, building up a spongy mass that gradually hardens and contracts to form the blood clot. This hardening process is stabilized by a substance known as fibrin-stabilizing factor, or factor XIII.
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