| Thoracic wall |  | | Body cavities |  | | A transverse section of the thorax, showing the contents of the middle and the posterior mediastinum. | The thoracic wall (or chest wall) is the boundary of the thoracic cavity. The bony portion is known as the thoracic cage. However, the wall also includes muscle, skin, and fascia. [edit] External links | Bones of torso (TA A02.2,3, GA 2.96-128) | | | Sternum | | | | Rib | specific ribs (1, 2, 9, 10, 11, 12, true – 1–7, false – 8–12, floating – 11–12) · parts (Angle, Tubercle, Costal groove, Neck, Head)
Superior thoracic aperture · Inferior thoracic aperture · Intercostal space · Thoracic wall/ Thoracic cage | | | Vertebra | | General structures | | | | | C1 ( anterior arch, posterior arch, lateral mass), C2 ( dens), C3, C4, C5, C6, C7 anterior tubercle, posterior tubercle, foramen transversarium | | | | T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12 costal facets ( superior, inferior, transverse) | | | | | | | | | | | | | | | |