- 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.- true a. SYN: synostosis.
* * *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 surgeryan·ky·lot·ic also an·chy·lot·ic -'lät-ik adj
* * *n.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).
* * *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.