1. 
   Aortic arch
   The arch of the aorta or the transverse aortic arch is the part of the aorta that begins at the level of the upper border of the second sternocostal articulation of the right side, and runs at first upward, backward, and to the left in front of the trachea; it is then directed backward on the left ...
   Found op http://en.wikipedia.org/wiki/Aortic_arch
   
   
2. 
   aortic arch
   [n] - the part of the aorta that arches and turns downward
   Found op http://www.webdictionary.co.uk/definition.php?query=aortic%20arch
   
   
3. 
   Aortic arch
   Aortic arch: The second section of the aorta. The aorta first ascends, then bends, and then descends. The bend is the aortic arch. It gives off the brachiocephalic trunk, the left common carotid artery, and the left subclavian artery. The brachiocephalic trunk, the first branch off the aortic arch, ...
   Found op http://www.medterms.com/script/main/art.html?articlekey=8637
   
   
4. 
   aortic arch
   The curved portion between the ascending and descending parts of the aorta; it begins as a continuation of the ascending aorta posterior to the sternal angle, runs posteriorly and slightly to the left as it passes over the root of the left lung, and becomes the descending aorta as it reaches and beg...
   Found op http://www.mondofacto.com/facts/dictionary?aortic+arch
   
   
5. 
   aortic arch
   noun the part of the aorta that arches and turns downward
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=aortic%20arch
   
   
6. 
   aortic arch
   the curving portion between the ascending aorta and the descending aorta, giving rise to the brachiocephalic trunk, the left common carotid artery, and the left subclavian artery. Aortic arch. in fishes and amniote embryos, a series of paired vessels arching from the ventral ...
   Found op http://www.encyclo.co.uk/local/21001
   
   
7. 
   aortic arch
   (from the article `animal development`) From the paired forward extensions from the heart, the ventral aortas, loops develop between the pharyngeal clefts. These are the aortic arches, ...
   Found op http://www.britannica.com/eb/a-z/a/86
   
   
8. 
   aortic arch
   Type: Term Synonyms: arch of the aorta
   Found op http://www.medilexicon.com/medicaldictionary.php?t=5955
   
   
9. 
   AORTIC ARCH
   The portion of the aorta which bends over inorder to extend into the thorax.
   Found op http://rad.usuhs.edu/rad/iong/glossary/glossa.html
   
   
10. 
    aortic arch
    The superior left bend of the aorta between the ascending and descending portions.
    Found op http://www.mhhe.com/biosci/abio/glossary.mhtml
    
    
11. 
    aortic arch
    The superior left bend of the aorta between the ascending and descending portions.
    Found op http://www.mhhe.com/biosci/abio/glossary.mhtml
    
    

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