The Chest Wall


Composed of the following bones:

  • Thoracic vertebra
  • Sternum
  • Ribs

Features of a thoracic vertebra


  • Long transverse processes with articular facets for ribs

  • Long spinous processes that point postero-inferiorly

  • Articular facets on the bodies for articulation with the ribs

  • Oval vertebral canal


(+) Each of the T1- T10 has a single costal face, part of which is on the body, and the other part on its pedicle.

(+) T11 and T12 have a single facet on their pedicles.

(+) Each vertebrae has a superior and inferior articular facet.


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Chapter 28: The Chest Wall and Pleura
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