A large artery which branches from the aortic arch and divides into the right common carotid and right subclavian arteries.
- Insure blood flow to the lungs by placing a shunt between the innominate artery and the pulmonary artery.
- In 1 specimen, on the right, the arterial twig to the esophagus and trachea arose as a branch of the innominate artery, while in another specimen, also on the right side, this vessel arose as a direct branch of the common carotid artery.
- Other predisposing factors include the presence of an anomalous innominate artery, infection, and the use of steroids.
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