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fibrinogen

American  
[fahy-brin-uh-juhn] / faɪˈbrɪn ə dʒən /

noun

Biochemistry.
  1. a globulin occurring in blood and yielding fibrin in blood coagulation.


fibrinogen British  
/ fɪˈbrɪnədʒən /

noun

  1. a soluble protein, a globulin, in blood plasma, converted to fibrin by the action of the enzyme thrombin when blood clots

"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

fibrinogen Scientific  
/ fī-brĭn′ə-jən /
  1. A protein in the blood plasma that is essential for the coagulation of blood. It is converted to fibrin by the action of thrombin in the presence of calcium ions.


Other Word Forms


Etymology

Origin of fibrinogen

First recorded in 1870–75; fibrino- + -gen


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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

When the researchers used antibodies that stopped Aβ from binding to fibrinogen, the harmful effects were significantly reduced.

From Science Daily ● Oct. 22, 2025

Their experiments revealed that while Aβ and fibrinogen alone caused little harm, even small amounts of the combined complex led to major problems.

From Science Daily ● Oct. 22, 2025

She, along with summer intern Amelia Staats, found that fibrinogen, a protein involved in blood clotting, is a key culprit in signal interference.

From Science Daily ● Oct. 3, 2023

Taquet says these findings suggest that either fibrinogen caused blood clots in the brain or that clots elsewhere in the body affected the brain, causing more severe cognitive symptoms.

From Scientific American ● Sep. 1, 2023

It is not yet certain what is the nature of the final reaction between fibrinogen and thrombin.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" by Various

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