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Related to eburnation: eburnation of dentin


 (ē′bər-nā′shən, ĕb′ər-)
Degeneration of bone into a hard, ivorylike mass, as that which occurs at the articular surfaces of bones in osteoarthritis.

[From Latin eburnus, ivory, from ebur; see ivory.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌiːbəˈneɪʃən; ˌɛb-) or


(Pathology) a degenerative condition of bone or cartilage characterized by unusual hardness and a polished appearance
[C19: from Latin eburnus of ivory, from ebur ivory]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.eburnation - a change that occurs in degenerative joint disease in which bone is converted into a dense smooth substance resembling ivory
biological process, organic process - a process occurring in living organisms
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Histopathological findings include macroscopic brown to black coloring of the articular cartilages and synovial tissues, as well as microscopic fibrillation and eburnation (10).
Loss or attenuation of the AOL ligament resulted in dorsal migration of the metacarpal with cartilage wear and eburnation of volar bone, preferentially from the larger trapezial surface at a 3:1 ratio.
Lesions such as malacia in articular cartilage, blister fissure, or eburnation were evaluated during arthroscopy visually or by means of a probe and staged according to Outerbridge's classification.
Histopathological characteristics include a progressive degeneration of the articular cartilage (Cledes et al., 2006), fibrillation and erosion of the articular surfaces, proliferation of chondrocytes, eburnation of the articular cartilage, synovitis, changes and exposure in the subchondral bone and formation of osteophytes at the articular margin (Cledes et al.; Guler et al.).
A prevailing hypothesis is that obesity increases mechanical loading across the articular cartilage, leading to its eburnation, degradation, and degeneration [14].
** Also due to a combination of osteoarthritic changes in the facet joints, eburnation, erosion and loss of disc height
For the thoracic vertebrae, females show significantly greater superior and inferior lipping, osteophytosis and eburnation, whereas males exhibit a significantly greater number of superior and inferior Schmorl's nodes.