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

When mice with traumatic brain injury received CAQK, their lesion sizes were smaller than those in control mice.

From Science Daily

The illness caused flulike symptoms along with rashes and lesions, and nearly 500 people died.

From Science Daily

Common symptoms are lesions or a skin rash, which can last for two to four weeks, plus fever, headaches, back pain, muscle aches and tiredness.

From BBC

At first, the acting student thought the lesion was just a result of biting her tongue during an epileptic seizure, but doctors decided to biopsy the area and found stage two squamous cell carcinoma.

From BBC

The scientists observed that as these sticky lesions accumulate, they disrupt normal mitochondrial activity.

From Science Daily

Related Words

• abrasion
• bruise
• contusion
• laceration
• sore