descending aorta(redirected from pars descendens aortae)
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the part of the aorta continuing distal (inferior) to the aortic arch, further divided into the thoracic aorta and the abdominal aorta.
The part of the aorta that extends from the aortic arch into the thorax and abdomen.
Etymology: L, descendere, to descend; Gk, aerein, to raise
the main portion of the aorta, consisting of the thoracic aorta and the abdominal aorta, which continues from the aortic arch into the trunk of the body. It supplies many structures, including the esophagus, lymph glands, ribs, stomach, liver, spleen, intestines, kidneys, reproductive organs, and, eventually, the lower limbs. See also 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.
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.