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Articular disc of sternoclavicular joint

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Articular disc of sternoclavicular joint
The sternoclavicular joint, viewed from the front. (Articular disc labeled at upper right.)
Details
Identifiers
Latindiscus articularis articulationis sternoclavicularis
Anatomical terminology[edit on Wikidata]

The articular disc of the sternoclavicular joint is flat and nearly circular, interposed between the articulating surfaces of the sternum and clavicle.

It is attached, above, to the upper and posterior border of the articular surface of the clavicle; below, to the cartilage of the first rib, near its junction with the sternum; and by its circumference to the interclavicular and anterior and posterior sternoclavicular ligaments.

It is thicker at the circumference, especially its upper and back part, than at its center.

It divides the joint into two cavities, each of which is furnished with a synovial membrane.

See also

References

Public domain This article incorporates text in the public domain from page 314 of the 20th edition of Gray's Anatomy (1918)

Joints and ligaments of torso
Vertebral
Syndesmosis
Of vertebral bodies
Of vertebral arches
Symphysis
Synovial joint
Atlanto-axial
  • Lateral: no ligaments
Zygapophysial
  • no ligaments
Lumbosacral
Sacrococcygeal
Thorax
Costovertebral
Head of rib
Costotransverse
Sternocostal
Interchondral
  • no ligaments
Costochondral
  • no ligaments
Pelvis
Syndesmoses of pelvic girdle
Pubic symphysis
Sacroiliac


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