1.  lesion(n = noun.state) - any localized abnormal structural change in a bodily part;
is a kind of pathology
has particulars: tubercle, ulcer, ulceration

2.  lesion(n = noun.state) wound - an injury to living tissue (especially an injury involving a cut or break in the skin);
is a kind of harm, hurt, injury, trauma
has particulars: raw wound, stigmata, abrasion, excoriation, scrape, scratch, cut, gash, slash, slice, laceration, bite

   A hurt; an injury. Dunglison. [1913 Webster]

lesion, n.
1 damage.
2 injury.
3 Med. a morbid change in the functioning or texture of an organ etc.

Etymology:
ME f. OF f. L laesio -onis f. laedere laes- injure