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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

When situated anterior to the tarsus a large exostosis may by mechanical interference to function, cause lameness when all other causes are absent.

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

And finally, a very important feature to be noted, is the location of the exostosis.

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

In such cases, it is unreasonable to expect to check the size of the exostosis and, of course, such methods are not employed where lameness causes distress to the subject.

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

Symptomatology.—Where a visible exostosis exists, the presence of spavin is easily detected, yet exostoses that extend over large areas may constitute cause for serious trouble and still be difficult of detection.

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

A number of states have passed stallion inspection laws stipulating that animals having such exostoses as spavin and ringbone cannot be registered except as "unsound."

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

Periarticular ringbone is characterized by exostoses which are situated on the sides of the phalanges and not extending around to the anterior part of the joint.

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

Unlike the condition known as multiple cartilaginous exostoses, it is a malignant disease.

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

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

From The Variation of Animals and Plants under Domestication — Volume 1 by Charles Darwin

They have no malignant tendencies and tend to undergo ossification concurrently with the epiphysial cartilage from which they take origin, and constitute what are known as cartilaginous exostoses.

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

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