descending aorta


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de·scend·ing a·or·ta

[TA]
the part of the aorta continuing distal (inferior) to the aortic arch, further divided into the thoracic aorta and the abdominal aorta.
Farlex Partner Medical Dictionary © Farlex 2012

descending aorta

(dĭ-sĕn′dĭng)
n.
The part of the aorta that extends from the aortic arch into the thorax and abdomen.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
References in periodicals archive ?
Both contours displayed similar flow patterns in the regions of interest--aortic arch, aortic branches, and descending aorta. There are slight discontinuities near the aortic root region; however, due to the primary interest of flows downstream, this difference can be ignored.
Representative SPECT/CT 3D reconstructions show longitudinal 3-hour [sup.111]In-DANBIRT SPECT/CT scans, which allowed us to identify atherosclerosis-prone ROI established in the aortic arch and the initial portion of the descending aorta tissues shown in the representative images displayed with the ROI volumes in red color that are being pointed by the red arrows (Figure 4(a)).
To the best of our knowledge, the present case is the first to illustrate an acute occlusion of the descending aorta in a patient after out-of-hospital cardiac arrest.
Caption: Figure 3: Color Doppler showing narrowing (arrow) with marked flow acceleration in descending aorta. AAo: ascending aorta; DAo: descending aorta.
Saghebi et al., "Massive hemoptysis, A presentation of invasion of aneurysm of descending aorta to bronchopulmonary tree," Archives of Iranian Medicine, vol.
There is also an extremely rare left aortic arch with a right descending aorta and a right ductus arteriosus where a Kommerell's diverticulum has been described.
Last year docs replaced two-thirds of my descending aorta - the final part will be replaced in a few years' time.
Ao Dese descending aorta, Ao--aorta, ARSCA--aberrant right subclavian artery, LSCA--left subclavian artery, and RVA--right vertebral artery
In the computed tomography (CT) and CT angiography, aortic dissection extending from the thoracic level in the descending aorta to the iliac artery was observed (Figure 1).
On the other hand, in the DeBakey classification, type 1 dissections begin in the ascending aorta and extend to the descending one, while type 2 dissections involve the ascending aorta only and type 3 dissections begin in the descending aorta distal to the left subclavian artery (5).
After anesthesia was induced by tribromoethanol (10 mg/kg of body weight), a left laparotomy was performed, the descending aorta was isolated and a bent 21-gauge needle was placed next to the aorta.