It also constrict blood vessels, and incidentally the vasoconstrictor drug called vasopressin is just ADH.

同时ADH也可以收缩血管，而一种名为血管升压素血管收缩类药物其实就是ADH。

If you were to put yourself into a cold environment, we would experience in our vasculature, something known as vasoconstriction.

如果你把自己放在一个寒冷环境中，我们血管系统就会出现一种叫做血管收缩现象。

The vessels feeding your digestive organs constrict, which increases resistance there, so more blood goes to the skeletal muscles in your legs.

喂养消化器官血管收缩，这增加了那力，所以更多血液流向你腿上骨骼肌。

It’s thought that this extreme constriction of blood vessels was an evolutionary advantage for humans.

人们认为，这种血管极度收缩是人类进化势。

In another heat-preserving response -- called vasoconstriction -- blood vessels temporarily narrow.

在另一种称为血管收缩保温反应中， 血管会暂时变窄。

Is it the vasoconstriction and blood pressure elevation that comes from nicotine itself?

是尼古丁本身血管收缩和血压升高吗？

High concentrations of vasopressin can also cause your blood vessels to constrict.

高浓度血管加压素/抗利尿激素也会导致你血管收缩。

OK, so let's summarize Pearl 1 on vasoconstrictive treatment for hepatorenal syndrome.

好，我们来总结一下关于肝肾综合征血管收缩治疗珍珠1。

My very blood-vessels contracted, making my whole body shrink within itself.

我血管收缩， 使我整个身体收缩。

I have to imagine the answer is yes, given what you said earlier about vasoconstriction versus vasodilation.

我想答案是肯定，考虑到你之前关于血管收缩与血管舒张说法。

But even when they use it in surgery, and they use 100 milligrams plus, these people don't get vasoconstriction.

即便在手术中使用美蓝，且剂量超过100毫克， 这些患者也不会出现血管收缩情况。

It's also metabolized by the liver, and cocaine causes capillaries in the mouth and esophagus to constrict, making it harder for it get absorbed.

可卡因被肝脏代谢，也能够导致口腔毛细血管和食管毛细血管收缩，这使得药物更难被吸收。

And, Noah, why don't you summarize the different vasoconstrictors maybe in reverse order to cement it a different way?

还有，诺亚，你能不能反过来总结一下不同血管收缩剂，用另一种方式帮助记忆？

Okay, I think I have a good handle on the three different vasoconstrictors that we have.

好，我觉得我对这三种不同血管收缩剂已经有了很好掌握。

Because when we're looking at that severe immediate jump into that icy cold, it causes such severe constriction and shutdown.

因为当我们突然接触到极冷环境时，它会导致严重血管收缩和身体机能关闭。

And the thought is that this reverses the cascade that actually led up to that vasoconstriction in the first place.

其思路是，这可以逆转最初导致血管收缩连锁反应。

I think sometimes I see albumin given with one of these three vasoconstrictors, sometimes we don't.

我觉得有时候会把白蛋白和这三种血管收缩药中一种一使用，有时候则不会。

And what if the vasoconstrictors that we chose aren't working?

那如果我们选择血管收缩药物不作用该怎么办呢？

And what that means, come to expect it, is that coffee has chemicals in it that will constrict your blood vessels everywhere.

这意味着， 可以预期是，咖啡中含有能让全身血管收缩化学物质。

One more thing: Aldosterone secretion, combined with blood vessel constriction due to impairment of nitric oxide synthesis — another consequence of this renin-angiotensin-aldosterone system, increases blood pressure.

还有，醛固酮分泌，加上因一氧化氮合成障碍血管收缩，将导致 RAA 系统活跃带来另一个后果——高血压。