| Front | Inferior thoracic aperture |
|---|---|
| Back | (Outlet) Structure: broad, irregular, inferior opening of thoracic cavity, almost entirely enclosed by muscular diaphragm Formed by: a) body of T12 b) 12th rib c) costal margins d) xiphoid process Function: allows passage of primary structure moving between thorax and abdomen (esophagus, aorta, inferior vena cava, sympathetic trunks, vagal trunks, thoracic duct, greater splanchnic nerves) |
Tags: osteology
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