polyaxial joint
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Joint — A joint is the area where two bones are attached for the purpose of motion of body parts. A joint is usually formed of fibrous connective tissue and cartilage. An articulation or an arthrosis is the same as a joint. Joints are grouped according… … Medical dictionary
Polyaxial screw — A polyaxial screw is used for connecting vertebrae to rods in spinal surgery. It is essentially a screw whose spherical head is enclosed on a housing, which allows the screw a range of motion along several different axes relative to the housing.… … Wikipedia
articulatio spheroidea — [TA] spheroidal joint: a type of synovial joint in which a spheroidal surface on one bone (“ballâ€) moves within a concavity (“socketâ€) on the other bone; it is the most movable type of joint. Called also ball and socket, enarthrodial,… … Medical dictionary
