| 释义 |
eburnation
e·bur·na·tion E0022700 (ē′bər-nā′shən, ĕb′ər-)n. 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.]eburnation (ˌiːbəˈneɪʃən; ˌɛb-) or eburnificationn (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]Thesaurus| Noun | 1. | eburnation - a change that occurs in degenerative joint disease in which bone is converted into a dense smooth substance resembling ivorybiological process, organic process - a process occurring in living organisms |
eburnation
eburnation [e″ber-na´shun] conversion of bone into a hard, ivory-like mass.eb·ur·na·tion (ē'bŭr-nā'shŭn), A change in exposed subchondral bone in degenerative joint disease in which it is converted into a dense substance with a smooth surface like ivory. Synonym(s): bone sclerosis [L. eburneus, of ivory] eburnation (ē′bər-nā′shən, ĕb′ər-)n. Degeneration of bone into a hard, ivorylike mass, as that which occurs at the articular surfaces of bones in osteoarthritis.eburnation A specific type of bone sclerosis consisting of a marbled appearance of weight-bearing joints with complete cartilaginous erosion, leaving polished, sclerotic bone as the new articular surface. Cross-section of the articulation reveals a narrowed joint space, osteosclerosis and cystic changes overlying the affected bone, which is surrounded by bony and cartilaginous overgrowths (osteophytes/exostoses).eburnation Bone sclerosis A marbled appearance of weight-bearing joints with complete cartilaginous erosion, leaving polished, sclerotic bone as the new articular surface. See Osteoporosis. e·bur·na·tion (ē-bŭr-nā'shŭn) A change in exposed subchondral bone in degenerative joint disease in which it is converted into a dense substance with a smooth surface like ivory. [L. eburneus, of ivory]eburnation 1. The loss or thinning of the bearing cartilage of a joint, that occurs in degenerative disease such as OSTEOARTHRITIS, so that the underlying bone is exposed and becomes dense and polished by friction. 2. The burnishing or hardening of the exposed DENTINE of a tooth that results from the calcification of the soft material in the tubules. e·bur·na·tion (ē-bŭr-nā'shŭn) A change in exposed subchondral bone in degenerative joint disease in which it is converted into a dense substance with a smooth surface like ivory. [L. eburneus, of ivory]eburnation
Related to eburnation: eburnation of dentinWords related to eburnationnoun a change that occurs in degenerative joint disease in which bone is converted into a dense smooth substance resembling ivoryRelated Words- biological process
- organic process
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