Definitions for: Lesion


[n] any visible abnormal structural change in a bodily part
[n] any break in the skin or an organ caused by violence or surgical incision



Webster (1913) Definition: Le"sion (l[=e]"zh[u^]n), n. [F. l['e]sion, L. laesio,
fr. laedere, laesum, to hurt, injure.]
A hurt; an injury. Specifically:
(a) (Civil Law) Loss sustained from failure to fulfill a
bargain or contract. --Burrill.
(b) (Med.) Any morbid change in the exercise of functions or
the texture of organs. --Dunglison.

Synonyms: wound

See Also: abrasion, bite, cut, excoriation, gash, harm, hurt, injury, laceration, pathology, raw wound, scrape, scratch, slash, slice, stigmata, trauma, tubercle, ulcer, ulceration

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