lesion

American  

[lee-zhuhn] / ˈli ʒən /

noun

1. an injury; hurt; wound.

2. Pathology. any localized, abnormal structural change in the body.

3. Plant Pathology. any localized, defined area of diseased tissue, as a spot, canker, blister, or scab.

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verb (used with object)

1. to cause a lesion or lesions in.

lesion British  

/ ˈliːʒən /

noun

1. any structural change in a bodily part resulting from injury or disease

2. an injury or wound

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Etymology

Origin of lesion

First recorded in 1425–75; late Middle English, from Middle French, from Latin laesiōn-, stem of laesiō “injury,” from Latin laes(us) “harmed” (past participle of laedere “to harm”) + -iō -ion

Example Sentences

Leprosy often caused visible facial lesions that made sufferers stand out, while tuberculosis usually produced less obvious symptoms.

From Science Daily

Secondary goals in both relapsing multiple sclerosis studies showed statistically significant and clinically meaningful reductions in brain lesions, Roche said.

From The Wall Street Journal

Once present, the myCAFs and nerve cells interact inside pancreatic lesions, helping create conditions that support cancer growth.

From Science Daily

Earlier models were typically trained on carefully selected subsets of MRI data and designed to perform narrow tasks, such as identifying lesions or estimating dementia risk.

From Science Daily

The Ducks will be without leading scorer Leo Carlsson until after the Olympic break after the center underwent a surgical procedure to treat a lesion in his left thigh Friday.

From Los Angeles Times

Related Words

• abrasion
• bruise
• contusion
• laceration
• sore