thoracic aorta


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Related to thoracic aorta: Posterior interventricular sulcus

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.

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.
References in periodicals archive ?
Data are reported as means [+ or -] SE for the number of aortic rings (n) or whole thoracic aortas obtained from 412 different animals.
(16.) Dee W, Geibel A, Kasper W, Konstantinides S, Just H: Mobile thrombi in atherosclerotic lesions of the thoracic aorta: the diagnostic impact of tiansesophageal echocardiography.
Chai, "Investigation of pulsatile flowfield in healthy thoracic aorta models," Annals of Biomedical Engineering, vol.
Based on the distribution of vascular involvement, Takayasu can be classified using the Numano system as per American College of Rheumatology guidelines: type I--involvement of aortic arch and branch vessels; type IIa--involvement of the ascending aorta or arch, with or without branch vessel involvement; type IIb--involvement of the descending thoracic aorta with or without involvement of the ascending aorta or arch with branches; type III--involvement of the descending thoracic aorta and abdominal aorta with or without renal artery involvement; type IV--involvement of only abdominal aorta with or without renal artery involvement; type V--involvement of the entire aorta with branch vessel involvement.
Figure 1e: DSA images in arterial and venous phases confirm the origin of the aberrant artery, in addition to the normal pulmonary arterial supply, to the left lower lobe from the lower descending thoracic aorta and venous drainage into the left atrium via inferior pulmonary vein.
They demonstrated lowest eNOS activity in proximal thoracic aorta which was gradually increasing towards abdominal aorta in NZW rabbits.
The aqueous extract of MOO (1-1000 [mu]g/ml) produced concentraction-dependent relaxation in phenylephrine-precontracted endothelium intact thoracic aorta rings [E.sub.max]: 91[+ or -] 1.5%,--log[EC.sub.50]: 1.64 [+ or -] 0.02, n = 6), while abolished in de-endothelised rings in all doses [E.sub.max]: 1.5 [+ or -] 0.3%, -log[EC.sub.50]: 1.61 [+ or -] 0.038, n = 8).
Involvement of p44/42 mitogen-activated protein kinases in regulating angiotensin II-and endothelin-1-induced contraction of rat thoracic aorta. Eur J Pharmacol 445:247-256.
Coroner Michael Howells revealed a post mortem examination found Hayley died due to ``blunt force trauma to trunk'' and rupture of the thoracic aorta.
Dissection of the thoracic aorta may be seen in as many as one in every 363 cases at autopsy.[2]
A magnetic resonance angiography revealed circumferential narrowing of the descending thoracic aorta and suprarenal abdominal aorta.
A post-mortem recorded her cause of death as left-sided hemothorax - an accumulation of blood in the chest - with traumatic dissection of thoracic aorta - usually caused by sudden deceleration resulting from a traffic accident or fall.