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Images:
  • Oral Ulcer image from Wikimedia
  • Oral Ulcer image from Wikimedia
Related terms:
behcet's syndrome
burning mouth syndrome
oral candidiasis
hemifacial atrophy
facial paralysis
lip disease
mouth diseases
mouth neoplasm
noma
Disease or Syndrome
oral ulcer
o·ral ul·cer [ awr-uhl, ohr- uhl-ser ]
Subclass of:
Mouth Diseases
Definitions related to oral ulcer:
  • A loss of mucous substance of the mouth showing local excavation of the surface, resulting from the sloughing of inflammatory necrotic tissue. It is the result of a variety of causes, e.g., denture irritation, aphthous stomatitis (STOMATITIS, APHTHOUS); NOMA; necrotizing gingivitis (GINGIVITIS, NECROTIZING ULCERATIVE); TOOTHBRUSHING; and various irritants. (From Jablonski, Dictionary of Dentistry, 1992, p842)
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • (mouth sore) An inflammatory lesion on the mucosal surface of the oral cavity.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • Erosion of the mucous mebrane of the mouth with local excavation of the surface, resulting from the sloughing of inflammatory necrotic tissue.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 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.

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