Also, a filter can be surgically placed in the inferior vena cava to prevent pulmonary embolisms.

也可以放置脉滤器来防止肺栓塞的发生。

On the right side, the superior vena cava, ascending aorta, right ventricle, left ventricle, and inferior vena cava should all be visible.

在心脏右侧，分别是脉、升主动脉、右心室、左心室和脉。

Even partial compression of the superior vena cava can cause the venous pressure behind the obstruction to increase.

局部压迫脉甚至能造成阻断后方的脉压升高。

But in some situations, an obstruction may prevent blood flow from the portal vein towards the inferior vena cava.

但有时从门脉流到脉的血流会受阻。

Got it. Wait, I-I think I can localize the bleeding. I think it's coming from the inferior vena cava.

搞定。等等，我想我可以把血止住。我想它是从脉出来的。

CT scan or MRI help diagnose ascites, cirrhosis, splenomegally or vascular alterations like inferior vena cava dilatation.

CT扫描或MRI有助于诊断腹水、肝硬化、脾肿大，或血管病变（如脉扩张）。

This happens when there's an obstruction in the passage of blood from the portal vein towards the vena cava.

当血液从门脉流向脉的通道阻塞时，就会发生这种情况。

Lastly, G is for great vessels which includes the superior vena cava, inferior vena cava, ascending aorta, aortic arch, pulmonary artery, and descending aorta.

最后，G指大血管" Great vessels" ，包括脉、脉、升主动脉、主动脉弓、肺动脉与降主动脉。

Ultimately, all of the blood ends up in the superior or inferior vena cava and dumps into the right atrium.

最终，所有的血液都回流至脉和脉，最终抵达右心房。

The superior vena cava is found in the upper chest.

脉位于胸部。

Once the liver processes all these substances, it sends the blood to the heart through the inferior vena cava to enter the systemic venous system.

一旦肝脏处理所有这些物质，肝脏将血液通过脉进入体脉系统送往心脏。

Blood from the upper body returns via the superior vena cava, blood from the lower body returns via the inferior vena cava.

半身血液通过脉回流，半身血液通过脉回流。

The superior vena cava resembles a drain that leads down into the heart.

脉像通向心脏的引流管。

So, if you think about it, the blood that drains into the inferior vena cava has to move upward, against gravity.

所以，如果你仔细想想，流入脉的血液必须向流动，对抗重力。

Now, the lower half of the body drains into the inferior vena cava and the upper half drains into the superior vena cava both of which dump blood back into the right atrium.

然后，半身的血液流入脉，半身的血液则流入脉，由这两者将血液送回右心房。

A Pancoast tumor in the right lung apex can also compress a large vein called the superior vena cava which drains blood from the head, upper chest, and arms.

右侧的肺沟瘤还会压迫脉；脉汇集头部、胸部和肢的血液。

So far, we've learned that blood returning to the heart from head to toe drains into the superior and inferior vena cava.

到目前为止，我们已经解到，血液从头到脚流回心脏，流入脉。

The venae cavae has two divisions: the superior vena cava and the inferior vena cava, and these divisions both return blood to the right atrium of the heart.

脉和脉，这些分支都将血液回流到心脏的右心房。

The job of the superior vena cava is simple, and like many other major veins in the body, it is nothing more than a transportation tube.

脉的作用很简单，和体内其他许多主要脉一样，它不过是一个运输管。

These peritubular capillaries then reunite to become the cortical radiate veins, then the arcuate veins, then interlobar veins and finally into the left and right renal veins which connect to the inferior vena cava.

这些肾小管周围毛细血管网将重新汇聚成小叶间脉，然后汇聚成弓状脉、叶间脉，最终汇入左右肾脉；肾脉又与脉相通。