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EnglishEdit

 
The aortic arch with its main branches

NounEdit

aortic arch (plural aortic arches)

  1. (anatomy) The curving portion of the aorta that bends between the ascending aorta and the descending aorta.
  2. (embryology) One of a series of six paired embryonic vascular structures which give rise to the great arteries of the neck and head.

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