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exostosis

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

noun

Pathology.
  • exostoses
    plural
  1. the abnormal formation of a bony growth on a bone or tooth.


exostosis British  
/ ˌɛksɒˈstəʊsɪs /

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Inflected Forms

Nouns


Etymology

Origin of exostosis

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


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

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

By observing the internal surface of the hock from various suitable angles, such as from between the forelegs or directly behind the subject, one may note the presence of any ordinary exostosis.

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

This operation has its indications, however, and may be recommended in chronic lameness where no extensive exostosis exists which may mechanically interfere with function.

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

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

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

In making examinations one must not be deceived by the inconspicuous and seemingly insignificant exostosis which has a broad base.

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

Barwell had a case of a girl with 38 exostoses.

From Anomalies and Curiosities of Medicine by Walter L. (Walter Lytle) Pyle

Chondroma.—Cartilaginous tumours, apart from those giving rise to multiple exostoses, grow from the long bones and from the scapula, ilium, ribs, or jaws.

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

Erichsen mentions a young man of twenty-one with 15 groups of symmetric exostoses in various portions of the body; they were spongy or cancellous in nature.

From Anomalies and Curiosities of Medicine by Walter L. (Walter Lytle) Pyle

With the horse, there seems hardly a doubt that bony exostoses on the legs, caused by too much travelling on hard roads, are inherited.

From The Variation of Animals and Plants Under Domestication, Volume II (of 2) by Charles Darwin

Bony formations occur in muscles and tendons, especially at their points of attachment to the skeleton, and are known as false exostoses; they are described with the diseases of muscles.

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

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