exostosis

== English == === Etymology === From Koine Greek ἐξόστωσις (exóstōsis, “a diseased excrescence on the bone”), from Ancient Greek ὀστέον (ostéon, “bone”). === Noun === exostosis (countable and uncountable, plural exostoses) A benign, bony growth, often covered with cartilage, on the surface of a bone or tooth. Synonym: bone spur Hyponym: osteophyte 2013, Quinton Gopen, Fundamental Otology: Pediatric & Adult Practice, Jaypee Brothers Medical Publishers, page 381, Part of the issue is the exostoses themselves, which can lead the surgeon directly into normal important structures. The exostosis may grow medially and become in direct contact with the tympanic membrane. The exostosis may also grow medial to the annular insertion of the tympanic membrane, placing the facial nerve at significant risk. ==== Related terms ==== ==== Translations ==== ==== Further reading ==== exostosis on Wikipedia.Wikipedia