the descending aorta is located in the posterior mediastinal cavity in the mediastinum.
where is the descending aorta located in the mediastinum?
posterior mediastinal cavity
descending thoracic aorta





























the descending thoracic aorta is a part of the aorta located in the thorax. it is a continuation of the descending aorta and contained in the posterior mediastinal cavity. the descending thoracic aorta begins at the lower border of the fourth thoracic vertebra where it is continuous with the aortic arch, and ends in front of the lower border of the twelfth thoracic vertebra, at the aortic hiatus in the diaphragm where it becomes the abdominal aorta.
descending thoracic aorta
descending aorta





























the descending aorta is part of the aorta, the largest artery in the body. the descending aorta begins at the aortic arch and runs down through the chest and abdomen. the descending aorta anatomically consists of two portions or segments, the thoracic and the abdominal aorta, in correspondence with the two great cavities of the trunk in which it is situated. within the abdomen, the descending aorta branches into the two common iliac arteries which serve the pelvis and eventually legs.
descending aorta