fibrinogen

American  

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

noun

Biochemistry.

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

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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

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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.

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Other Word Forms

• fibrinogenic
  adjective

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Etymology

Origin of fibrinogen

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

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Compare meaning

How does fibrinogen compare to similar and commonly confused words? Explore the most common comparisons:

• fibrin vs. fibrinogen

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Example Sentences

See Examples For:

fibrinogen

A humanized antibody that blocks the inflammatory region of fibrinogen is currently in phase-1 trials after animal studies showed protection against neuronal loss.

From Science Daily ● Jan. 8, 2026

When Aβ attaches to fibrinogen, it produces unusual clots that resist breakdown.

From Science Daily ● Oct. 22, 2025

Chitosan is already used in some hemostats: its positively charged surface is known to strongly attract negatively charged platelets and fibrinogen, the two major components of a blood clot.

From Science Daily ● Jan. 22, 2024

In a separate analysis, the team examined health records from nearly 50,000 people in the U.S.—including some who had taken blood tests for fibrinogen or D-dimer before the pandemic started.

From Scientific American ● Sep. 1, 2023

The constituent substance which is present in the first-named fluids is known as fibrinogen, and that present in the serum or the clot is known as fibrin-ferment or thrombin.

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

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