- ulcerative lesion
- A lesion on the surface of the skin or a mucous surface, produced by the sloughing of inflammatory necrotic tissue.
Definition from: MeSH via Unified Medical Language System at the National Library of Medicine
- A break in skin or mucous membrane with loss of surface tissue, disintegration and necrosis of epithelial tissue, and often pus.
Definition from: Merriam-Webster's Medical Dictionary by Merriam-Webster Inc.
- A break on the skin, in the lining of an organ, or on the surface of a tissue. An ulcer forms when the surface cells become inflamed, die, and are shed. Ulcers may be linked to cancer and other diseases.
National Cancer Institute
See also Understanding Medical Terminology.