"Lesion"

Lesion - le·sion /ˈliʒən/ Pronunciation Key - Show Spelled Pronunciation [lee-zhuhn]
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.

Sorry, not very nice, but you can't help what gets stuck in your head!! I got an eyeful checking out the HUGE variety of lesions you can suffer from. WARNING: Don't do a google image search for lesion!