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le·sion  (lzhn)
1. A wound or injury.
2. A localized pathological change in a bodily organ or tissue.
3. An infected or diseased patch of skin.
tr.v. le·sioned, le·sion·ing, le·sions
To cause a lesion to form on or in.

[Middle English lesioun, from Old French lesion, from Latin laesi, laesin-, from laesus, past participle of laedere, to injure.]

lesion  /lin/  n. a diseased or injured area of tissue: Her skin lesions showed where she hit the ground when she fell. lesion

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