| sacroiliac joint | The joint between the sacrum and ilium and associated ligaments. (12 Dec 1998) |
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| saddle joint | A biaxial synovial joint in which the double motion is effected by the opposition of two surfaces, each of which is concave in one direction and convex in the other; as in the carpometacarpal joint of the thumb. Synonym: articulatio sellaris, articulatio ovoidalis. (05 Mar 2000) |
| schindyletic joint | A form of fibrous joint in which the sharp edge of one bone is received in a cleft in the edge of the other, as in the articulation of the vomer with the rostrum of the sphenoid. Synonym: schindylesis, schindyletic joint, wedge-and-groove suture. (05 Mar 2000) |
| proximal radioulnar joint | The pivot synovial joint between the head of the radius and the ring formed by the radial notch of the ulna and the annular ligament. Synonym: articulatio radioulnaris proximalis, proximal radioulnar articulation, superior radioulnar joint. (05 Mar 2000) |
| proximal tibiofibular joint | The plane synovial joint between the lateral condyle of the tibia and the head of the fibula. Synonym: articulatio tibiofibularis, superior tibial articulation, superior tibiofibular joint, tibiofibular articulation. (05 Mar 2000) |
| xiphisternal joint | The cartilaginous union between the xiphoid process and the body of the sternum. Synonym: synchondrosis xiphosternalis. (05 Mar 2000) |
| screw joint | A variety of hinge joint in which the elevation and depression, respectively, on the opposing articular surfaces form part of a spiral, flexion being then accompanied by a certain amount of lateral deviation. Synonym: screw joint, spiral joint. (05 Mar 2000) |
| hinge joint | A uniaxial joint in which a broad, transversely cylindrical convexity on one bone fits into a corresponding concavity on the other, allowing of motion in one plane only, as in the elbow. Synonym: ginglymus, ginglymoid joint. (05 Mar 2000) |
| hip joint | The ball-and-socket synovial joint between the head of the femur and the acetabulum. Synonym: articulatio coxae, coxa, thigh joint. (05 Mar 2000) |
| hospital-physician joint ventures | A formal financial agreement made between one or more physicians and a hospital to provide ambulatory alternative services to those patients who do not require hospitalization. (12 Dec 1998) |
| humeroradial joint | The portion of the elbow joint between the capitulum of the humerus and the head of the radius. Synonym: articulatio humeroradialis, humeroradial articulation. (05 Mar 2000) |
| humeroulnar joint | The portion of the elbow joint between the trochlea of the humerus and the trochlear notch of the ulna. Synonym: articulatio humeroulnaris. (05 Mar 2000) |
| shoulder joint | A ball-and-socket synovial joint between the head of the humerus and the glenoid cavity of the scapula. Synonym: articulatio humeri, glenohumeral articulation, humeral articulation. (05 Mar 2000) |
| simple joint | One composed of two bones only. Synonym: articulatio simplex. (05 Mar 2000) |
| hysterical joint | A simulation of joint disease, with symptoms of pain, possibly swelling, and impairment of motion. (05 Mar 2000) |