<P> 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 . </P>
<P> 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 . </P>
where is the descending aorta located in the mediastinum
where is the descending aorta located in the mediastinum
posterior mediastinal cavity
posterior mediastinal cavity