fibroblast
noun
fi·bro·blast
ˈfī-brə-ˌblast 
ˈfi-
ˈfi-
: a connective-tissue cell of mesenchymal origin that secretes proteins and especially molecular collagen from which the extracellular fibrillar matrix of connective tissue forms
Examples of fibroblast in a Sentence
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During inflammation, such as wound-healing and scar formation, fibroblasts lay down relatively disorganized structures.
—
Alison Escalante, Forbes, 27 Feb. 2025
After a study with more than 60 twin sisters with the same genetic heritage, their scientists found that an unbalanced lifestyle can cause a 44% increase in methyl groups that act as inhibitors of genes that are present in fibroblasts and are therefore related to the youthfulness of the skin.
—Ana Morales, Vogue, 27 Sep. 2024
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
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Alison Escalante, Forbes, 27 Feb. 2025
After a study with more than 60 twin sisters with the same genetic heritage, their scientists found that an unbalanced lifestyle can cause a 44% increase in methyl groups that act as inhibitors of genes that are present in fibroblasts and are therefore related to the youthfulness of the skin.
—Ana Morales, Vogue, 27 Sep. 2024
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
See All Example Sentences for fibroblast
Cite this Entry
“Fibroblast.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fibroblast. Accessed 11 Jul. 2025.
Copy CitationMedical 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
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