fibroblast

noun

fi·​bro·​blast ˈfī-brə-ˌblast How to pronounce fibroblast (audio) ˈfi- How to pronounce fibroblast (audio)
: a connective-tissue cell of mesenchymal origin that secretes proteins and especially molecular collagen from which the extracellular fibrillar matrix of connective tissue forms
fibroblastic adjective

Examples of fibroblast in a Sentence

Recent Examples on the Web
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.
Long-term effects on other cell types, including fibroblasts, and on innervations and vascularization would need to be considered before considering inducing skin irritation for human applications. Jasmine Laws, MSNBC Newsweek, 27 Oct. 2025 Not only does the bio-ink plug the hole, but as the fibroblasts grow and reproduce, the ulcer should actually heal. Ben Coxworth october 16, New Atlas, 16 Oct. 2025 Human colon cells line the inner surface, while fibroblasts embedded in the outer layer re-create the mucosal environment that supports colon function. Aamir Khollam, Interesting Engineering, 15 Oct. 2025 The fibroblasts have stopped producing collagen, elastin. Celia Shatzman, Forbes.com, 18 Sep. 2025 See All Example Sentences for fibroblast

Word History

Etymology

International Scientific Vocabulary

First Known Use

1873, in the meaning defined above

Time Traveler
The first known use of fibroblast was in 1873

Cite this Entry

“Fibroblast.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fibroblast. Accessed 9 Nov. 2025.

Medical Definition

fibroblast

noun
fi·​bro·​blast
ˈfīb-rə-ˌblast also ˈfib-
: a connective-tissue cell of mesenchymal origin that secretes proteins and especially molecular collagen from which the extracellular fibrillar matrix of connective tissue forms
fibroblastic adjective

More from Merriam-Webster on fibroblast

Last Updated: - Definition revised
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