exostosis

American  

[ek-so-stoh-sis, -suh-] / ˌɛk sɒˈstoʊ sɪs, -sə- /

noun

Pathology.

plural

exostoses

1. the abnormal formation of a bony growth on a bone or tooth.

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exostosis British  

/ ˌɛksɒˈstəʊsɪs /

noun

1. an abnormal bony outgrowth from the surface of a bone

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Other Word Forms

• exostosed adjective
• exostotic adjective

Etymology

Origin of exostosis

1730–40; < New Latin < Greek exóstōsis an outgrowth. See ex- ³, ostosis

Example Sentences

Jomon skeletons show a high incidence of what pathologists term auditory exostosis, meaning abnormal bone growth in the ears as often observed in divers today.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond

It forms an excellent blistering and alterative application, and is of special advantage in newly formed or recently discovered exostosis.

From Special Report on Diseases of the Horse by Michener, Charles B.

This affection, popularly termed bone spavin, is an exostosis of the hock joint.

From Special Report on Diseases of the Horse by Michener, Charles B.

From the fact that it projects from the surface of the bone it is often spoken of as an exostosis.

From Manual of Surgery Volume First: General Surgery. Sixth Edition. by Thomson, Alexis

This intermittent type of lameness may continue until there is developed a large exostosis, or until articular involvement causes so much distress during locomotion that lameness is constant.

From Lameness of the Horse Veterinary Practitioners' Series, No. 1 by Lacroix, John Victor