胸廓下口—宽而不整
第12胸椎 第12及第11对肋前端 左、右肋弓 剑突
胸肋关节
胸廓下口Outlet
The inferior thoracic aperture (Outlet)
•The body of T. vertebra XII posteriorly; •The rib XII and the distal end of rib XI posterolaterally; •The distal cartilaginous ends of ribs VII to X, which unite to form the costal arches bi-anterolaterally; •The xiphoid process anteriorly. •The posterior margin of the inferior thoracic aperture is inferior to the anterior margin.
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Contents: 上肢骨及其连结
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胸骨体 剑突
胸骨角
•Sternum consists of the manubrium, body
and xiphoid process.
•The manubrium posteriorly-angled joints with the body and forms the sternal angle, which is a major surface landmark used by clinicians in performing physical examinations of the thorax.
一、椎骨
颈椎:7块 胸椎:12块 腰椎:5块 骶骨1块(骶椎5) 尾骨1(尾椎3~4)