The part of the descending aorta that extends from the thorax to the diaphragm is the

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The descending aorta that extends from the thorax (chest) to the diaphragm is called the thoracic aorta. The ascending aorta is the part that arises from the left ventricle of the heart, while the aortic arch is the curve that arises from the ascending aorta and gives rise to the brachiocephalic trunk and other major arteries. The abdominal aorta is the part that extends from the diaphragm to the pelvis.

The Part of the Descending Aorta That Extends from the Thorax