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International Journal of Anatomical Variations

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Cheryl Melovitz-Vasan1, Paolo Varricchio2, David DeFou2 and Nagaswami Vasan1*
 
1 Department of Biomedical Sciences, Cooper Medical School, Rowan University, Camden, Newark, New Jersey, USA, Email: [email protected]
2 Department of Cell Biology and Molecular Medicine, New Jersey Medical School, Newark, New Jersey, USA, Email: [email protected]
 
*Correspondence: Nagaswami Vasan, DVM, PhD, Professor of Anatomy, Department of Biomedical Sciences, Cooper Medical School, Rowan University, 401 South Broadway, Camden, New Jersey 08103, USA, Tel: +1 (856) 361-2890, Email: [email protected]

Received: 16-Dec-2013 Accepted Date: Feb 05, 2014; Published: 05-Jan-2015

This open-access article is distributed under the terms of the Creative Commons Attribution Non-Commercial License (CC BY-NC) (http://creativecommons.org/licenses/by-nc/4.0/), which permits reuse, distribution and reproduction of the article, provided that the original work is properly cited and the reuse is restricted to noncommercial purposes. For commercial reuse, contact [email protected]

Abstract

Atypical branches of the aortic arch (AA) occur frequently but are poorly explained. In an 82-year-old Caucasian male cadaver who died of coronary artery disease with severe aortic stenosis, the left vertebral artery (LVA) originated from the AA between the common carotid and subclavian arteries. The prevertebral part of LVA was narrower and entered the C5 transverse foramen. The right vertebral artery (RVA) from the right subclavian was wider than LVA suggesting compensation to the cerebral circulation. An unusual LVA may be asymptomatic; however, it is important in neck and supraaortic arch surgery and in non-invasive neck procedures. Vertebral arteries (VAs) are formed by development of longitudinal anastomoses linking the cervical intersegmental arteries, which regress except the seventh that becomes the proximal subclavian artery, the point of origin of the adult VA. Persistence of the 6th dorsal intersegmental artery might account for LVA arising from AA proximal to the subclavian artery.

 

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Google Scholar citation report
Citations : 2140

International Journal of Anatomical Variations received 2140 citations as per Google Scholar report

International Journal of Anatomical Variations peer review process verified at publons
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