fibrosis

American  

[fahy-broh-sis] / faɪˈbroʊ sɪs /

noun

Pathology.

1. the development in an organ of excess fibrous connective tissue.

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fibrosis British  

/ faɪˈbrəʊsɪs, faɪˈbrɒtɪk /

noun

1. the formation of an abnormal amount of fibrous tissue in an organ or part as the result of inflammation, irritation, or healing

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Other Word Forms

• fibrotic
  adjective

Etymology

Origin of fibrosis

First recorded in 1870–75; fibr- + -osis

Example Sentences

See Examples For:

fibrosis

She struggles with repeat infections of all kinds — ear infections, conjunctivitis, pneumonia — and the drug, which is approved to treat cystic fibrosis, has helped keep her healthy.

From MarketWatch ● Aug. 13, 2026

The biotech says its cystic fibrosis drug candidate missed the mark in a Phase 2a trial, though the news could be a boon to shares of Vertex Pharmaceuticals.

From Barron's ● Aug. 11, 2026

People who drank more coffee had lower levels of liver fat, excess liver iron, fibrosis, and liver inflammation on MRI scans.

From Science Daily ● Jul. 25, 2026

AI drug-discovery firm InSilico 3696 -15.82%decrease; red down pointing triangle has been developing treatments for cancer, Parkinson’s and pulmonary fibrosis.

From The Wall Street Journal ● Jun. 26, 2026

I am frequently hospitalized for a lung disease called cystic fibrosis.

From "The Freedom Writers Diary" by The Freedom Writers