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.
The result can be numbness, tingling, burning, or sharp pain which are all signs that the nerve tissue is either trapped in scar tissue or has developed a neuroma, an abnormal healing response at the cut edge of a nerve. Helen Carefoot, Flow Space, 27 May 2026 The endometriosis was so extensive that my abdomen was drowning in lesions, scar tissue, and adhesions. Nami Mun, The Atlantic, 16 May 2026 For virtually all mammals, damage to the brain or spinal cord is irreversible because mature neurons rarely regenerate, and scar tissue forms quickly after injury. Scott Travers, Forbes.com, 16 May 2026 The thought of intensive mechanical harvesting leaving widespread gouges across the moon’s surface—scar tissue potentially visible from Earth—doesn’t sit well. Robin George Andrews, Scientific American, 14 May 2026 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 1 Jun. 2026.

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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