scar tissue

American  

noun

1. connective tissue that has contracted and become dense and fibrous.

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Etymology

Origin of scar tissue

First recorded in 1870–75

Example Sentences

When injury occurs, they switch into collagen-producing cells that build up scar tissue in the liver.

From Science Daily

The condition, which is often mistaken for asthma, involves inflammation and scar tissue build-up in the airway.

From BBC

Voice loss often becomes permanent when scar tissue forms on the vocal cords.

From Science Daily

The degenerative disease creates scar tissue that stiffens the lungs making it difficult to breathe and for oxygen to enter the bloodstream.

From BBC

This reduces the amount of scar tissue that forms after a heart attack and supports better healing.

From Science Daily