scar tissue
Americannoun
Etymology
Origin of scar tissue
First recorded in 1870–75
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Treated mice had lower levels of collagen, a major component of scar tissue, than untreated mice or those that underwent a sham procedure in which the intestine was cut and reconnected without removing tissue.
From Science Daily • Mar. 18, 2026
Dr. Neal ElAttrache, who lives in Los Angeles and is a preeminent sports surgeon, doesn’t currently count Vonn among his current patients but he has scoped her knee twice to remove scar tissue.
From Los Angeles Times • Feb. 9, 2026
Dr. Wachter has lived through previous efforts to modernize healthcare and has the scar tissue to prove it.
From The Wall Street Journal • Feb. 8, 2026
When injury occurs, they switch into collagen-producing cells that build up scar tissue in the liver.
From Science Daily • Jan. 6, 2026
During that time, the bullet became encased in a layer of scar tissue.
From "Ambushed!" by Gail Jarrow
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
