Costal cartilage

Last revised by Assoc Prof Craig Hacking on 07 Oct 2020

The costal cartilages form part of the thoracic cage and anterior chest wall. There are ten costal cartilages bilaterally, one for each of the corresponding 1st to 10th ribs, and each of the first seven ribs forms one of the seven costochondral joints.

Costal cartilages 1-7 articulate with the sternum at sternocostal joints, and costal cartilages 8-10 are attached to each other via small interchondral synovial joints forming the costal margin

Related pathology

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Cases and figures

  • Figure 1: costochondral joints (Gray's illustration)
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