• The major artery of the body; it arises from the left ventricle of the heart and terminally bifurcates into the common iliac arteries.
  CDISC Terminology
  Clinical Data Interchange Standards Consortium (CDISC), 2021
• Main trunk from which the systemic arterial system proceeds.
  CRISP Thesaurus
  National Institutes of Health, 2006
• The large artery emerging from the heart's left ventricle that distributes blood to the body.
  Harvard Dictionary of Health Terms
  Harvard Medical Publishing, 2011
• The largest artery in the body. It carries oxygen-rich blood away from the heart to vessels that reach the rest of the body.
  NCI Dictionary of Cancer Terms
  U.S. National Cancer Institute, 2021
• The main trunk of the systemic arteries.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2021
• The major arterial trunk that carries oxygenated blood from the left ventricle into the ascending aorta behind the heart, the aortic arch, through the thorax as the descending aorta and through the abdomen as the abdominal aorta; it bifurcates into the left and right common iliac arteries.
  NCI Thesaurus
  U.S. National Cancer Institute, 2021
• Aorta, in vertebrates and some invertebrates, the blood vessel (or vessels) carrying blood from the heart to all the organs and other structures of the body. At the opening from the left ventricle into the aorta is a three-part valve that prevents backflow of blood from the aorta into the heart.
  Encyclopedia Britannica
  Encyclopedia Britannica, Inc., 2020