13. Diaphragm - Openings The aorta ,the azygos vein,and the thoracic duct T12 Aortic hiatus esophagus,the vagus nerves,and some small esophageal arteries T10 Esophageal hiatus Inferior vena cava, and some branches of the right phrenic nerve . T8 Caval opening structures level opening
14.
15. Diaphragm-openings Greater & lesser lt splanchnic nerves and hemi-azygous vein Supr. Epigastric branch of internal mammary artery. Lymphatics Lt. crus Between sternal & costal part Greater & lesser rt splanchnic nerves Rt. crus