aortas

The abdominal aorta is normally smaller than the thoracic aorta.

腹主动一般比胸主动小。

Results Color Doppler echocardiography showed that the embryocardia ductus arterious flow had a bright shunt from the pulmonary to descending aorta.

24%的胎存在生理性三尖瓣返,肺动阻力普遍较高,胎动导管血单自肺动降主动,显色明亮。

Objective To investigate the effect of Tongluo prescription on the antioxidative system and the vascular endo-thelium of thoracic aorta in diabetic rats.

目的研究通络方剂糖尿病大鼠体内抗氧化系统的影响及血管内皮的保护作用。

Conclusion The hypothermia,extracorporeal circulation,clamp of aorta and drugs,etc.can lead to decrease of HRV in cardiac surgery.The resume of autonomic cardioneural system was a slow process.

结论脏手术、体外循环、低温、主动阻断及药物因素可导变异性下降，而术后脏自主神经系统的恢复是一个缓慢的过程。

Figure 9. Case 7. Additional vessel (purple) behind the 4-chamber view next to the aorta (red). This vessel represents an azygous or hemizygous continuation of an interrupted inferior vena cava.

图9病例7四腔切面显示靠近主动（红色）处的额外的一条静（紫色）。这条血管表示的是下腔静中断后在单侧的延续。

He recalls a mother in her late 20s who came to him because she had an inoperable defect in her aorta that would rupture at some undeterminable time in the future, killing her instantly.

“我认为，激烈的负面情绪有这样的作用，它可以使我们正常的活动停止，以便我们可以在一段时间内专注于某些事物”，他这样说到。