
Ringbone is exostosis (bone growth) in the pastern or coffin joint of a horse. In severe cases, the growth can encircle the bones, giving ringbone its name. It has been suggested by some authors that such a colloquial term, whilst commonly used, might be misleading and that it would be better to refer to this condition as osteoarthritis of the int...
Found on
http://en.wikipedia.org/wiki/Ringbone

• (n.) A morbid growth or deposit of bony matter between or on the small pastern and the great pastern bones.
Found on
http://thinkexist.com/dictionary/meaning/ringbone/
Ring'bone` noun (Far.) A morbid growth or deposit of bony matter between or on the small pastern and the great pastern bones.
J. H. Walsh. Found on
http://www.encyclo.co.uk/webster/R/84

Disorder characterized by new bone growth adjacent to either the pastern or coffin joints; caused by tearing of the collateral ligaments stabilizing the joint. High ringbone describes bone growth around the pastern joint, while low ringbone describes bone growth around the coffin joint.
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http://www.thehorse.com/Glossary.xhtml?L=R
No exact match found.