Descending aorta
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In human anatomy, 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.
The ductus arteriosus connects to the junction between the pulmonary artery and the descending aorta in foetal life. This artery later regresses as the ligamentum arteriosum.[1][2]
The descending aorta has important functions within the body. The descending aorta transports oxygenated blood from the heart to the rest of the body.[3]
See also
References
Public domain This article incorporates text in the public domain from Template:Wikidatathe 20th edition of Gray's Anatomy (1918)
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External links
- Anatomy figure: 19:04-03 at Human Anatomy Online, SUNY Downstate Medical Center – "Left side of the mediastinum."
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