| aorta | <anatomy> The largest artery in the body which has its origin at the heart. It gives off branches to the extremities, neck and major organs for the purpose of supplying oxygenated blood. (27 Sep 1997) |
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| aorta abdominalis | <anatomy> The largest arterial conduit below the diaphragm. This term refers to the portion of the aorta below the diaphragm to the bifurcation into the right and left common iliac arteries. It supplies blood to the abdominal viscera, pelvic organs and lower extremities. (20 Jun 2000) |
| aorta angusta | Congenital narrowness of aorta. (05 Mar 2000) |
| aorta ascendens | The part of the aorta prior to the aortic arch from which arise the coronary arteries. Synonym: aorta ascendens, ascending part of aorta, pars ascendens aortae. (05 Mar 2000) |
| aorta descendens | A part of the aorta, further divided into the thoracic aorta and the abdominal aorta. Synonym: pars descendens aortae, aorta descendens, descending part of aorta. (05 Mar 2000) |
| aorta thoracica | The part of the descending aorta that supplies structures as far down as the diaphragm. Synonym: pars thoracica aortae, aorta thoracica, thoracic part of aorta. (05 Mar 2000) |
| aorta, thoracic | The portion of the descending aorta proceeding from the arch of the aorta and extending to the diaphragm. (12 Dec 1998) |
| aortal | Relating to the aorta or the aortic orifice of the left ventricle of the heart. Synonym: aortal. (05 Mar 2000) |
| aortalgia | Pain assumed to be due to aneurysm or other pathologic conditions of the aorta. Origin: aorta + G. Algos, pain (05 Mar 2000) |
| aortarctia | Synonym: aortostenosis. Origin: aorta + L. Arcto, properly arto, to narrow (05 Mar 2000) |
| aortartia | Narrowing of the aorta. Synonym: aortarctia, aortartia. Origin: aorta + G. Stenosis, a narrowing (05 Mar 2000) |
| aortectasis | Aortectasia Dilation of aorta. Origin: aorta + G. Ektasis, a stretching (05 Mar 2000) |
| aortectomy | Excision of a portion of the aorta. Origin: aorta + G. Ektome, excision (05 Mar 2000) |
| aortic | Relating to the aorta or the aortic orifice of the left ventricle of the heart. Synonym: aortal. (05 Mar 2000) |
| aortic aneurysm | Dangeous ballooning of the aorta (the main artery leaving the heart) which is caused by disease in the artery's wall. (09 Oct 1997) |