Ball and socket joint
| a joint in which a ball moves within a socket, so as to admit of motion in every direction within certain limits. |
See also: Ball
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| 单词 | ball and socket joint | ||
| 释义 | Ball and socket joint
See also: Ball ball and socket jointball and sock·et jointball-and-socket jointThe most freely movable type of synovial joint, in which the ball-like end of one bone (e.g., the humerus, femur) is surrounded by a spherical cartilaginous encasement, or “socket” (e.g., hip joint), or a group of structures that act as a functionally spherical encasement (e.g., shoulder joint), which allows free mobility of the articulating bone. |
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