The Chest Wall

Composed of the following bones:

• Thoracic vertebra
• Sternum
• Ribs

• 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

Note:

(+) 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.