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. Author manuscript; available in PMC: 2023 Dec 13.
Published in final edited form as: Circulation. 2022 Nov 2;146(24):e334–e482. doi: 10.1161/CIR.0000000000001106

Figure 28. Normal and Bovine Aortic Arch Configurations.

Figure 28.

(A) Type I aortic arch: The normal aortic arch configuration. (B) Type II-A aortic arch: The left common carotid artery originates from the innominate artery. (C) Type II-B aortic arch: The innominate and left common carotid arteries share a common origin. LCA indicates left common carotid artery; LSA, left subclavian artery; LVA, left vertebral artery; RCA, right common carotid artery; RSA, right subclavian artery; and RVA, right vertebral artery. Adapted from Layton et al.5 Copyright 2006, American Society of Neuroradiology. Used with permission from Mayo Foundation for Medical Education and Research, all rights reserved.