thoracic aorta

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tho·rac·ic a·or·ta

[TA]
the part of the descending aorta superior to the aortic hiatus of the diaphragm (at the T-12 vertebral level).

thoracic aorta

n.
The part of the descending aorta that extends from the arch of the aorta to the diaphragm.

thoracic aorta

Etymology: Gk, thorax, chest, aerein, to raise
the large upper part of the ascending arch and descending aorta, supplying many parts of the body, such as the heart, ribs, chest muscles, and stomach. Its branches include the coronary brachiocephalic, left common carotid artery, left subclavian, pericardial, bronchial, esophageal, mediastinal, posterior intercostal, subcostal, and superior phrenic. See also descending aorta. Compare abdominal aorta.

tho·rac·ic a·or·ta

(thōr-as'ik ā-ōr'tă) [TA]
The part of the descending aorta that supplies structures as far down as the diaphragm.
Synonym(s): aorta thoracica, pars thoracica aortae, thoracic part of aorta.

aorta

pl. aortae, aortas [L.] the great artery arising from the left ventricle, being the main trunk from which the systemic arterial system proceeds. See Table 9. See also aortic.

abdominal aorta
the part of the descending aorta within the abdomen.
ascending aorta
the first part of the aorta which passes dorsally and cranially.
descending aorta
the aorta after it turns caudally at the aortic arch.
overriding aorta
see overriding aorta.
supravalvular aorta
the portion of aorta immediately above the aortic valve.
terminal aorta
the segment of the aorta immediately before it divides into the iliac arteries.
thoracic aorta
the part of the descending aorta within the thorax.