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.
The process recruits fibroblasts, the cells that lay down scar tissue. Alison Escalante, Forbes, 27 Feb. 2025 Moreover, integrin β1 is seen to strengthen cell-substrate adhesions in fibroblasts, potentially offering an explanation for the thicker stress fibers seen in older cells. Matt Robison, Newsweek, 18 Feb. 2025 The team cultivated human fibroblasts (specialized cells that maintain the structural integrity of tissues) and epithelial cells (which cover the inside and outside surfaces of the body, including skin) in the laboratory. Matt Robison, Newsweek, 18 Feb. 2025 The researchers have tested the technique on mammalian cells ranging from neural stem cells, and pancreatic cancer cells to fibroblasts and HeLa cancer cells. The Physics Arxiv Blog, Discover Magazine, 2 Dec. 2024 See All Example Sentences for fibroblast

Word History

Etymology

International Scientific Vocabulary

First Known Use

1876, in the meaning defined above

Time Traveler
The first known use of fibroblast was in 1876

Cite this Entry

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

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