Disease or Syndrome
exostosis Audio
ex·os·to·sis [ ek-so-stoh-sis, -suh- ]
Subclass of:
Hyperostosis
Etymology:
Greek ex = out + osteon = bone
Definitions related to exostoses:
  • (exostosis) Abnormal bony growths in the ear caused by swimming regularly in cold water. Sometimes called surfer's ear.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • An exostosis is a benign growth the projects outward from the bone surface. It is capped by cartilage, and arises from a bone that develops from cartilage.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2021
  • Benign hypertrophy that projects outward from the surface of bone, often containing a cartilaginous component.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • (exostosis) Non-neoplastic overgrowth of bone.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • (exostosis) A disorder characterized by non-neoplastic overgrowth of bone.
    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.