Stiffening or fixation of a joint as the result of a disease process, with fibrous or bony union across the joint. [G. a., stiffening of a joint]
- artificial a. SYN: arthrodesis.
- bony a. SYN: synostosis.
- dental a. bony union of the radicular surface of a tooth to the surrounding alveolar bone in an area of previous partial root resorption.
- extracapsular a. stiffness of a joint due to induration or heterotopic ossification of the surrounding tissues. SYN: spurious a..
- false a. SYN: fibrous a..
- fibrous a. stiffening of a joint due to the presence of fibrous bands between and about the bones forming the joint. SYN: false a., pseudankylosis.
- intracapsular a. stiffness of a joint due to the presence of bony or fibrous adhesions between the articular surfaces of the joint.
- spurious a. SYN: extracapsular a..
- true a. SYN: synostosis.

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an·ky·lo·sis also an·chy·lo·sis .aŋ-ki-'lō-səs n, pl -lo·ses -.sēz stiffness or fixation of a joint by disease or surgery
an·ky·lot·ic also an·chy·lot·ic -'lät-ik adj

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pathological fusion of the bones across a joint space, either by bony tissue (bony ankylosis) or by shortening of connecting fibrous tissue (fibrous ankylosis). Ankylosis is a complication of prolonged joint inflammation, as may occur in chronic infection (e.g. tuberculosis) or rheumatic disease (e.g. ankylosing spondylitis).

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an·ky·lo·sis (ang″kə-loґsis) pl. ankyloґses [Gr. ankylōsis] immobility and consolidation of a joint due to disease, injury, or surgical procedure.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Ankylosis — Ankylosis, or Anchylosis (from Greek αγκυλος, bent, crooked) is a stiffness of a joint, the result of injury or disease. The rigidity may be complete or partial and may be due to inflammation of the tendinous or muscular structures outside the… …   Wikipedia

  • ankylosis — [aŋ΄kə lō′sis] n. pl. ankyloses [an΄ky lo′sēz΄] [Gr ankylōsis < ankyloun, to crook, stiffen < ankylos, crooked: see ANKLE] 1. Med. a stiffening of a joint, caused by the pathological joining of bones or fibrous parts, as from an injury 2.… …   English World dictionary

  • Ankylosis — An ky*lo sis, n. Same as {Anchylosis}. [1913 Webster] || …   The Collaborative International Dictionary of English

  • Ankylōsis — (v. gr.), krankhafter Zustand der Gelenke, mit völlig aufgehobener Beweglichkeit u. Verwachsung der Gelenkflächen mit einander, od. der Bänder (wahre A.); od. ohne Verwachsung, durch in der Gelenkhöhle selbst, meist jedoch in den sie umgebenden… …   Pierer's Universal-Lexikon

  • Ankylosis — Ankylosis, die gehemmte oder gänzlich aufgehobene Beweglichkeit eines Gelenkes; sie heißt die wahre, wenn die Flächen der beiden Gelenkknochen mit einander verwachsen sind und ist dann in der Regel unheilbar; die falsche, wenn die Gelenkbänder… …   Herders Conversations-Lexikon

  • ankylosis — (n.) stiffening of joints after injury or surgery, alternative (and more etymological) spelling of ANCHYLOSIS (Cf. anchylosis) (q.v.) …   Etymology dictionary

  • ankylosis — n. pathological fusion of two bones across a joint space resulting from prolonged joint inflammation or infection. In bony ankylosis the joint space is obliterated by bony tissue as a result of chronic inflammatory conditions, such as ankylosing… …   The new mediacal dictionary

  • Ankylosis — Anchylosis An chy*lo sis, Ankylosis An ky*lo sis, n. [NL., fr. Gr. ?, fr. ?, fr. ? to crook, stiffen, fr. ? crooked: cf. F. ankylose.] 1. (Med.) Stiffness or fixation of a joint; formation of a stiff joint. Dunglison. [1913 Webster] 2. (Anat.)… …   The Collaborative International Dictionary of English

  • ankylosis — noun (plural ankyloses) Etymology: New Latin, from Greek ankylōsis, from ankyloun to make crooked, from ankylos crooked more at angle Date: 1713 1. stiffness or fixation of a joint by disease or surgery 2. union of …   New Collegiate Dictionary

  • ankylosis — См. anchylosis …   Dictionary of invertebrate zoology

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