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Related to thoracic aorta: Posterior interventricular sulcus
the part of the descending aorta superior to the aortic hiatus of the diaphragm (at the T-12 vertebral level).
The part of the descending aorta that extends from the arch of the aorta to the diaphragm.
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]
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.
the part of the descending aorta within the abdomen.
the first part of the aorta which passes dorsally and cranially.
the aorta after it turns caudally at the aortic arch.
see overriding aorta.
the portion of aorta immediately above the aortic valve.
the segment of the aorta immediately before it divides into the iliac arteries.
the part of the descending aorta within the thorax.