extracapsular ankylosis

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Related to extracapsular ankylosis: intracapsular ankylosis


 [ang″kĭ-lo´sis] (pl. ankylo´ses) (Gr.)
immobility and consolidation of a joint due to disease, injury, or surgical procedure. adj., adj ankylot´ic. Ankylosis may be caused by destruction of the membranes that line the joint or by faulty bone structure. It is most often a result of chronic rheumatoid arthritis, in which the affected joint tends to assume the least painful position and may become more or less permanently fixed in it. Other causes include infection and traumatic injury to the joint. Artificial ankylosis (arthrodesis), fusion of a joint by surgical operation, is sometimes done to ameliorate the pain experienced in a severe joint condition.
bony ankylosis union of the bones of a joint by loss of articular cartilage, resulting in complete immobility.
extracapsular ankylosis that caused by rigidity of surrounding parts.
false ankylosis (fibrous ankylosis) reduced joint mobility due to proliferation of fibrous tissue.
intracapsular ankylosis that caused by rigidity of structures within the joint.
spurious ankylosis extracapsular ankylosis.
stapedial ankylosis fixation of the footplate of the stapes in otosclerosis, causing conductive hearing loss.
true ankylosis bony ankylosis.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

ex·tra·cap·su·lar an·ky·lo·sis

stiffness of a joint due to induration or heterotopic ossification of the surrounding tissues; surgical technique in which a joint is fused by bridging tissues surrounding it.
Synonym(s): spurious ankylosis
Farlex Partner Medical Dictionary © Farlex 2012

ex·tra·cap·su·lar an·ky·lo·sis

(eks'tră-kap'sŭ-lăr ang'ki-lō'sis)
Stiffness of a joint due to induration or heterotopic ossification of the surrounding tissues.
Synonym(s): spurious ankylosis.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012