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

These pathways help regulate cell survival, growth, inflammation, and fibrosis.

From Science Daily ● Jul. 23, 2026

The company said the strong uptake of its new drugs Jascayd for pulmonary fibrosis and Hernexeos for lung cancer also contributed to sales growth.

From The Wall Street Journal ● Jul. 15, 2026

When Howard was seven years old, he was diagnosed with cystic fibrosis, the genetic condition that causes sticky mucus to build up in the lungs and digestive system.

From BBC ● Jul. 14, 2026

Vertex finished 2025 with $12 billion in total revenue, with most of its business from cystic fibrosis drugs.

From The Wall Street Journal ● Jul. 6, 2026

This isn’t the first time my cystic fibrosis has taken me out of the running for some class trip or sunny vacation or school event.

From "Five Feet Apart" by Rachael Lippincott