fibrinogen

noun

fi·​brin·​o·​gen fī-ˈbri-nə-jən How to pronounce fibrinogen (audio)
: a plasma protein that is produced in the liver and is converted into fibrin during blood clot formation

Examples of fibrinogen in a Sentence

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Coagulants: Proteins such as fibrinogen and other substances used in the clotting process are present in plasma. — Gagandeep Brar, Verywell Health, 15 Aug. 2024 Strickland’s lab is developing antibodies that target just one of these pathways: the one that involves fibrinogen. — Sara Reardon, Scientific American, 1 Sep. 2023

Word History

Etymology

International Scientific Vocabulary

First Known Use

1872, in the meaning defined above

Time Traveler
The first known use of fibrinogen was in 1872

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“Fibrinogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fibrinogen. Accessed 25 Mar. 2025.

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Kids Definition

fibrinogen

noun
fi·​brin·​o·​gen fī-ˈbrin-ə-jən How to pronounce fibrinogen (audio)
: a protein that is produced in the liver, is present especially in blood plasma, and is changed into fibrin during the clotting of blood

Medical Definition

fibrinogen

noun
fi·​brin·​o·​gen fī-ˈbrin-ə-jən How to pronounce fibrinogen (audio)
: a plasma protein that is produced in the liver and is converted into fibrin during blood clot formation

More from Merriam-Webster on fibrinogen

Britannica.com: Encyclopedia article about fibrinogen

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