Aortic hiatus

The aortic hiatus (Latin for, Aortenschlitz ' ) is an opening in the diaphragm between the legs of his lumbar part. It lies obliquely to the longitudinal axis of the body and reaches the people from the first lumbar vertebra to the eleventh thoracic vertebra. Due to the aortic hiatus of the aorta moves into the abdominal cavity and the thoracic duct and the azygos vein in the mediastinum of the chest cavity. In contrast to the inferior vena cava at the vena cava hole passing through the structures are fixed only by loose connective tissue and stored so that sliding.