lesion

(lē'zhən)
n.

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., -sioned, -sion·ing, -sions.
To cause a lesion to form on or in.

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

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A structural abnormality of any type in some part of the body. A lesion may be congenital (present from birth) or subsequently acquired. Within the acquired category a lesion may be traumatic (wound, burn, fracture), inflammatory (infective or toxic) degenerative (e.g. osteoarthritis, arteriosclerosis), or neoplastic (benign or malignant growth).

— Stuart Judge

Any discontinuity in a tissue or loss of function of a body part, occurring as a result of damage by disease or wounding. Lesions range from sores and ulcers to tumours.

IN BRIEF: A sore or wound on some part of the body.

The lesion on the cat's leg healed nicely after the visit to the veterinarian.

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1. (in pathology) a zone of tissue with impaired function resulting from damage by disease or wounding.
2. (in biochemistry) any deleterious disturbance of a metabolic pathway resulting from chemical interference or genetic abnormality.

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Any pathological or traumatic discontinuity of tissue or loss of function of a part. Lesion is a broad term, including wounds, sores, ulcers, tumors, cataracts and any other tissue damage. They range from the skin sores associated with eczema to the changes in lung tissue that occur in tuberculosis.

Terms describing distribution of lesions. By permission from Slauson DO, Cooper BJ, Mechanisms of Disease: A Textbook of Comparative General Pathology, Mosby, 2001

• target l. — see target lesion.

(lē'zhən)
n

Any pathologic disturbance of a tissue, with loss of continuity, enlargement, and/or function.

For a list of words related to lesion, see:

• Signs and Symptoms - lesion: any localized, abnormal structural change in tissue or body part resulting in impaired function, including abscess, ulcer, or tumor

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See words rhyming with "lesion."

  See crossword solutions for the clue Lesion.

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Dansk (Danish)
n. - læsion, kvæstelse, lædering, skade

Nederlands (Dutch)
verwonding, kwetsuur, beschadiging, stoornis, laesie, benadeling (juridisch)

Français (French)
n. - blessure

Deutsch (German)
n. - (Med.) Läsion, Verletzung, krankhafte Veränderung

Ελληνική (Greek)
n. - κάκωση, βλάβη, πληγή, χτύπημα

Italiano (Italian)
ferita

Português (Portuguese)
n. - lesão (f), dano (m)

Русский (Russian)
поражение, лезия, ущерб

Español (Spanish)
n. - lesión

Svenska (Swedish)
n. - skada, förfång, organskada, sjuklig förändring

中文（简体）(Chinese (Simplified))
损害, 身体上的伤害

中文（繁體）(Chinese (Traditional))
n. - 損害, 身體上的傷害

한국어 (Korean)
n. - 손상 , 외상, 정신적 장애

日本語 (Japanese)
n. - 障害, 病変, 精神的傷害, 損害, 傷害
v. - 障害を起こさせる

العربيه (Arabic)
‏(الاسم) أذى, ضرر, آفه‏

עברית (Hebrew)
n. - ‮פצע, פגיעה, נזק, שינוי חולני בתיפקוד או במבנה של איבר‬

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