Where are disks found in the temporomandibular joint and the sternoclavicular joint?

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In the context of the skeleton, disks are complete plates of fibrocartilage attached to the joint capsule that stretch across the joint cavity. They are found in the following locations:

  • Temporomandibular joint: This joint connects the mandible (lower jaw) to the temporal bone of the skull.1
  • Sternoclavicular joint: This joint connects the breastbone (sternum) and the collarbone (clavicle).1

These intra-articular disks serve to assist the gliding movements of the bones within these joints.1