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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 aor·ta /eˈɔrtə/
 大動脈

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 aor·ta /eˈɔrtə/ 名詞
 (複aortas,aortae)主動脈

From: Webster's Revised Unabridged Dictionary (1913)

 A·or·ta n.  Anat. The great artery which carries the blood from the heart to all parts of the body except the lungs; the main trunk of the arterial system.
 Note:In fishes and the early stages of all higher vertebrates the aorta divides near its origin into several branches (the aortic arches) which pass in pairs round the œsophagus and unite to form the systemic aorta. One or more pairs of these arches persist in amphibia and reptiles, but only one arch in birds and mammals, this being on the right side in the former, and on the left in the latter.
 

From: WordNet (r) 2.0

 aorta
      n : the large trunk artery that carries blood from the left
          ventricle of the heart to branch arteries
      [also: aortae (pl)]