Disease or Syndrome
duodenal ulcer
[ doo-uh-deen-l, dyoo- | doo-od-n-uhl uhl-ser ]
Subclass of:
Peptic Ulcer
Definitions related to duodenal ulcer:
  • A PEPTIC ULCER located in the DUODENUM.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • An erosion of the mucous membrane in a portion of the duodenum.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • An ulcer in the duodenal wall.
    NCI
    U.S. National Cancer Institute, 2021
  • Peptic ulcer located in the duodenum, the shortest and widest portion of the small intestine adjacent to the pylorus of the stomach.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • A disorder characterized by a circumscribed, erosive lesion on the mucosal surface of the duodenal wall.
    Common Terminology Criteria for Adverse Events
    U.S. National Institutes of Health, 2021
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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.