胸廓

胸廓（）又称肋廓（）、肋骨笼，是多数脊椎动物胸部由胸椎、肋骨、胸骨构成的骨质支架。由胸廓围成的空腔称为胸腔。胸廓可以保护胸腔内的心、肺等重要器官。

人类的胸廓由12块胸椎、12对肋骨和肋软骨以及1块胸骨（包括胸骨柄、胸骨体和剑突三部分）构成。

（左为平行投影，右为透视投影）|left]]

参考文献

• Orientation of the intercostal muscle fibers in the human rib cage, Subit D., Glacet A., Hamzah M., Crandall J., Computer Methods in Biomechanics and Biomedical Engineering, 2015, 18, pp. 2064–2065
• Clinically Oriented Anatomy, 4th ed. Keith L. Moore and Robert F. Dalley. pp. 62–64
• Principles of Anatomy Physiology, Tortora GJ and Derrickson B. 11th ED. John Wiley and Sons, 2006.

*[https://wayback.archive-it.org/6321/20160901181029/http://vesalius.northwestern.edu/index.html De Humani Corporis Fabrica]