fibroblast

noun

fi·​bro·​blast ˈfī-brə-ˌblast  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

fibroblastic

ˌfī-brə-ˈbla-stik  ˌfi- 

adjective

Examples of fibroblast in a Sentence

Recent Examples on the Web

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

Certain peptides signal fibroblasts to ramp up collagen and elastin production, while others reinforce the skin barrier or calm inflammation. —Adam Hurly, Robb Report, 28 Aug. 2025

Word History

Etymology

International Scientific Vocabulary

First Known Use

1876, in the meaning defined above

Phrases Containing fibroblast

• fibroblast growth factor

Rhymes for fibroblast

• oblast

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

ˌfīb-rə-ˈblas-tik  ˌfib- 

adjective