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A tortuous thoracic aorta is serpentine in its shape or path, according to Yale University School of Medicine. The thoracic aorta is the portion of the descending aorta above the diaphragm, according to InnerBody. The de... More »

www.reference.com Science Human Anatomy

A doctor can determine the size of a thoracic aortic aneurysm by ordering a magnetic resonance imaging or computed tomography scan of a patient's chest and measuring it, states the Society for Vascular Surgery. If the an... More »

www.reference.com Science Human Anatomy Blood

A main symptom associated with an aortic aneurysm, which affects the section of the aorta called the descending aorta, can be pain in the back area, notes Cedars-Sinai. An aortic aneurysm occurs when there is a bulge tha... More »

www.reference.com Health Pain & Symptoms
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The thoracic cavity protects and holds the lungs, heart, trachea, esophagus, endocrine glands, thoracic aorta and the pulmonary artery. Enclosed by the ribs, breast bone and vertebral column, it is the second-largest hol... More »

www.reference.com Science Human Anatomy

The normal size for an ascending aorta is approximately 33 millimeters in diameter. Because normal human anatomy varies, approximately 95 percent of the human population falls between 37 and 29 millimeters. More »

www.reference.com Science Human Anatomy

The aorta is a large blood vessel that branches off from the heart and pumps oxygen-rich blood back into the body. The aorta carries blood away from the left ventricle and circulates it into the systemic circuit. The sys... More »

www.reference.com Science Human Anatomy

The aorta is an artery that originates from the heart, beginning at the top of the left ventricle. The heart pumps blood from the left ventricle into the aorta by way of the aortic valve. More »

www.reference.com Science Human Anatomy