Aortic arch - Definition
The aortic arch is one of the three sections of the thoracic aorta, the other two being the ascending and the descending aorta. It is a direct continuation of the ascending aorta.
It is also known as:
Aortic arch - Location
It is located inside the mediastinum, the thoracic cavity section between the lungs that is comprised of the aorta, heart, trachea, thymus and esophagus.
Aortic arch - Origin
The structure arises at the sternomanubrial joint. It ends at the lower border of T4 and becomes the descending aorta.
Aortic arch - Functions
It serves as a connection between the ventral and the dorsal arterial systems. It also joins with the dorsal aorta in order to create the great vessels of the neck and head.
Aortic arch - Pictures
The images below show the location and appearance of this cardiovascular structure.
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