Retroesophageal Left Subclavian Artery

The left subclavian is divided close to the aorta and proximal to the vertebral artery.  This relieves the forward tension on the aortic arch.

Copyright © 2002-2005 The University of Pennsylvania School of Veterinary Medicine
Faculty Sponsor: Dr. James W. Buchanan
Students: Mike Pierdon (2002), Laurel Frydenborg (2003), Jay Hreiz (2005)