Lymphatic vessels淋巴管道 a Thoracic duct胸导管 Begins in front of LI as a dilated sac, the cisterna chyli乳糜池, which formed by joining of left and right lumbar trunks and intestinal trunk Enter thoracic cavity by passing through the aortic hiatus of the diaphragm and ascends along on the front of the vertebral column. between thoracic aorta and azygos vein Dept of Anatomy SDUDept of Anatomy SDU  Thoracic duct 胸导管 • Begins in front of L1 as a dilated sac, the cisterna chyli 乳糜池, which formed by joining of left and right lumbar trunks and intestinal trunk • Enter thoracic cavity by passing through the aortic hiatus of the diaphragm and ascends along on the front of the vertebral column, between thoracic aorta and azygos vein Lymphatic vessels 淋巴管道