Disease or Syndrome
oral ulcer
o·ral ul·cer [ awr-uhl, ohr- uhl-ser ]
Subclass of:
Mouth Diseases
Definitions related to oral ulcer:
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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 HeadingsU.S. National Library of Medicine, 2021
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(mouth sore) An inflammatory lesion on the mucosal surface of the oral cavity.NCI ThesaurusU.S. National Cancer Institute, 2021
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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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