An aortic aneurysm is a stretched and bulging section in the wall of the aorta. The aorta is the large artery that carries oxygen-rich blood from the heart to the rest of the body. An abdominal aortic aneurysm happens in the section of the aorta that is in the belly.
ByHealthwise Staff Primary Medical ReviewerE. Gregory Thompson, MD - Internal Medicine Adam Husney, MD - Family Medicine Specialist Medical ReviewerJeffrey J. Gilbertson, MD - Vascular Surgery