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.
In June 2023, the pontiff underwent another operation under general anesthetic to remove scar tissue and repair a hernia in his abdominal wall, problems incurred by his previous colon surgery. Henry Chu, Los Angeles Times, 21 Apr. 2025 Pulmonary fibrosis is scarring on the lungs, wherein scar tissue blocks oxygen from the air sacs in the lungs from getting into the bloodstream. Mark Davis, Newsweek, 14 Mar. 2025 The former can lead to scar tissue, and that scarring can create a chronically worsening condition. Matt Benoit, Discover Magazine, 6 Dec. 2024 The wires sometimes also become encased in scar tissue, presenting further complications. Andrew Paul, Popular Science, 2 Apr. 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 2 May. 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
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