scar tissue

noun

: the connective tissue forming a scar and composed chiefly of fibroblasts in recent scars and largely of dense collagenous fibers in old scars

Examples of scar tissue in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This type of therapy seems to trigger the body’s natural healing mechanisms, break down scar tissue, and stimulate the formation of new blood vessels. Dr. Sanjay Gupta, CNN Money, 26 Aug. 2025 Those who survive a heart attack face an ongoing issue with the heart’s efficiency, caused by the death of heart cells and the scar tissue that subsequently forms. New Atlas, 20 Aug. 2025 Payton said inside linebacker Dre Greenlaw is dealing with some scar tissue in his quadricep and should be back next week. Parker Gabriel, Denver Post, 14 Aug. 2025 Officially, healthcare providers stage the progression of fatty liver disease by the extent of scar tissue, called fibrosis, in your liver. Sarah Hudgens, Health, 10 Aug. 2025 See All Example Sentences for scar tissue

Word History

First Known Use

1875, in the meaning defined above

Time Traveler
The first known use of scar tissue was in 1875

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Cite this Entry

“Scar tissue.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/scar%20tissue. Accessed 10 Sep. 2025.

Kids Definition

scar tissue

noun
: connective tissue forming a scar

Medical Definition

scar tissue

noun
: the connective tissue forming a scar and composed chiefly of fibroblasts in recent scars and largely of dense collagenous fibers in old scars
Last Updated: - Updated example sentences
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