ascending aorta(redirected from pars ascendens aortae)
Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to pars ascendens aortae: pars ascendens duodeni
the intrapericardial part of the aorta in front of the aortic arch from which arise the coronary arteries.
The part of the aorta that extends from its origin in the left ventricle of the heart to the aortic arch.
Etymology: L, ascendere, to climb
one of the four main sections of the aorta, giving rise to the right and left coronary arteries, continuing as the arch of the aorta. See also arch of the aorta.
as·cend·ing a·or·ta(ă-send'ing ā-ōr'tă) [TA]
ascending aortaThe first part of the aorta, extending upwards from its origin in the upper surface of the heart to the aortic arch.
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.