The first branch is the right carotid and does not classify as a RAA branching pattern; one may be fooled into believing this is a left aortic arch with the first branch coursing rightward (see ...

This developmental defect is dangerous, as the aortic arch is posterior to the esophagus and trachea, and can form a vascular ring capable of compressing the trachea. Some embryos possessed other ...

Aortic arch anomalies and vascular rings are significant ... which can compress surrounding structures such as the trachea and esophagus, leading to respiratory and swallowing difficulties.

The left subclavian artery receives oxygenated blood from the aortic arch (the top portion of the ... being displaced to an area between the trachea (windpipe) and esophagus (the tube through ...