Articular Disc of Sternoclavicular Joint
Discus articulationis sternoclavicularis
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The articular disc of sternoclavicular joint is an oval plate of fibrocartilage that separates the synovial cavities between the sternal and clavicular surfaces.
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Sternoclavicular Joint
The sternoclavicular joint (SCJ) is a saddle-type diarthrodial synovial joint in which the medial end of the clavicle articulates with the shallow socket formed by the superolateral aspect of the manubrium and the medial part of the first costal cartilage.