fibrin

noun

fi·​brin ˈfī-brən How to pronounce fibrin (audio)
: a white insoluble fibrous protein formed from fibrinogen by the action of thrombin especially in the clotting of blood
fibrinous adjective

Examples of fibrin in a Sentence

Recent Examples on the Web This is filled with fibers made of natural proteins like collagen and fibrin, which are part of the extracellular matrix that gives animal cells their structure. Breanna Draxler, Discover Magazine, 2 Apr. 2013 Blood clots form when fibrin, strands of protein that form a net in the blood vessels, begin to gather, causing platelets and cells to clump and get caught in the net. Sara Novak, Discover Magazine, 23 Mar. 2023 An epidermal sheet grown on a fibrin base, like the grafts used to heal a boy's skin in Germany. Nathaniel Scharping, Discover Magazine, 8 Nov. 2017 This plaque is made up of cholesterol, fatty substances, cellular waste products, calcium and fibrin, a clotting agent in the blood. Kristen Rogers, CNN, 17 Feb. 2023 The anogeissus helps to protect against the deterioration of the skin’s fibrin, which promotes long-term elasticity of the skin. Olivia Hanson, Peoplemag, 10 Feb. 2023 In this colored scanning electron micrograph, red blood cells have been trapped by a web of thin yellow-white strands of fibrin. Colin Salter, Discover Magazine, 11 Feb. 2015 Once the fix was in place, the cells were cultured to grow larger patches of new skin, which were then attached to sheets of the protein fibrin and grafted onto the boy's body. Nathaniel Scharping, Discover Magazine, 8 Nov. 2017 The substance creates a slippery surface for the sticky parts of blood — fibrin and platelets — to slide past. Katie Bo Williams, Discover Magazine, 29 Oct. 2015

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'fibrin.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1800, in the meaning defined above

Time Traveler
The first known use of fibrin was in 1800

Dictionary Entries Near fibrin

Cite this Entry

“Fibrin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fibrin. Accessed 28 Mar. 2024.

Kids Definition

fibrin

noun
fi·​brin ˈfī-brən How to pronounce fibrin (audio)
: a white fibrous substance that is difficult to dissolve and is formed in the clotting of the blood

Medical Definition

fibrin

noun
fi·​brin ˈfī-brən How to pronounce fibrin (audio)
: a white insoluble fibrous protein formed from fibrinogen by the action of thrombin especially in the clotting of blood

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