Pathologic Function
ulcer Audio
ul·cer [ uhl-ser ]
Subclass of:
Pathologic Processes
Definitions related to ulcer:
  • A break in the skin or other surface that often occurs along with inflammation, infection, or cancerous growth.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • A circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • A circumscribed loss of integrity of the skin or mucous membrane.
    NICHD Pediatric Terminology
    U.S. National Cancer Institute, 2021
  • A lesion on the surface of the skin or a mucous surface, produced by the sloughing of inflammatory necrotic tissue.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • An open sore on an external or internal surface of the body caused by a break in the skin or mucous membrane that fails to heal.
    U.S. FDA Glossary
    U.S. Food & Drug Administration, 2021
  • Destruction of an epithelial surface extending into or beyond the basement membrane.
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
  • Local defect or excavation of the surface of an organ or tissue produced by the sloughing of inflammatory necrotic tissue.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Ulcer, a lesion or sore on the skin or mucous membrane resulting from the gradual disintegration of surface epithelial tissue. An ulcer may be superficial, or it may extend into the deeper layer of the skin or other underlying tissue. An ulcer has a depressed floor or crater surrounded by sharply...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2020
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.