aorta

UK:  [eɪ'ɔː(r)tə]

US:  [eɪ'ɔrtə]

复数：aortas  

n.

1.大背血管

2.大动脉

3.【解剖学】主动脉;【虫类】大血管

1 . The heart appeared to BE of aortic type with a tortuous and prolonged aorta. Culture of the sputum showed growth of Streptococcus pneumonia.
心脏呈动脉型，主动脉曲屈延长。痰培养肺炎双球菌生长

2 . Blood pressure and oxygen measurements are taken in the four chambers of the heart, as well as the pulmonary artery and aorta.
在心脏的四个腔里以及肺动脉和主动脉里分别测量血压和血氧。

3 . Some of this mixed blood will go into the aorta and on to the body, producing cyanosis (blue color of the skin, lips, and nail beds).
这混合血的一部分进入主动脉供应全身，产生紫绀（皮肤、口唇、和甲床呈蓝色）。

4 . There is a higher than average chance of developing an infection in the lining of the heart or aorta known as bacterial endocarditis.
较一般人有更多的发生细菌性心内膜炎的机会。

5 . a section of aorta from a tissue donor with its valve intact is used to replace the aortic valve and a section of the ascending aorta.
主动脉同种移植物：来自于组织供体的带有完整瓣膜的一段主动脉用来置换主动脉瓣和这一段升主动脉。