DISLOCATION

n. Dl8-lo-ka's hun. Lat., dislocatio (from dis, apart, and locare, to place). Fr., d. Ger., Lageverdnderung, Ausrenkung, Verrenkung. It., dis loc azione, slog a men to. Sp., dislocation. Syn.: luxation. A displacement, especially of the articular surfaces of bones from their normal relations with each other. Complete d. A d. in which the articular ends of the bones are o displaced that they overlap each other, [a, 25.] Complicated d. A d. complicated with fracture of the misplaced bones at their articular surfaces, [a, 25.] Compound d. A d. communicating with the exterior of the body by a wound, [a, 25.] Double d. A simultaneous displacement of the corresponding bones on both sides of the body. [E.] Habitual d. A d. that is prone to recur on slight provocation, owing to a lax state of the ligaments or to active motion of the joint having been allowed before repair of the articular capsule was complete, [a, 25.] Incomplete d. See Partial d. Consecutive d. A d. occurring as the result of some diseased state of the structure of a joint, fa, 25.] Old d. A d. attended by great difficulty in reduction, chiefly on account of the time which hag elapsed since its occurrence and the changes which have taken place in the parts, [a, 18.] Partial d. A d. in which some portions of the disturbed articulating surfaces remain in contact, [a, 25.] Pathological d. See Consecutive d. Primitive d. A d. in which the dislocated surfaces occupy the same relative position as at the time of luxation, [a. 25.] Relapsing d. See Habitual d. Secondary d. A d. in which Us, blue; U, lull; U, full; U, urn; U, like U (German). [s. 595]