So instead of three flaps opening every time, you breathe in and out, two.

所以每次你吸气和呼气时，不是打瓣膜，而是打两。

Pig heart valves have been used successfully for many years in humans.

猪的心脏瓣膜已被成功用于人类治疗很多年了。

Naomi Cline, 43, had her tricuspid valve replaced three years ago with a porcine valve, sir.

Naomi Cline，43岁，年前以猪生物瓣膜行尖瓣置换术。

Uh, so Naomi's heart valve...wh-what does this mean?

哦，那 Naomi 的心脏瓣膜...这是什么意思？

It's basically a one way valve that prevents urine from refluxing backwards from the bladder into the ureters.

基本上如同一单向瓣膜，阻止尿液从膀胱返流进入输尿管。

In particular, it's implicated in oxidative stress and myocardial fibrosis — an abnormal thickening of the heart valves.

醛固酮与氧化应激和心肌纤维化（心脏瓣膜异常厚）尤其相关。

Some individuals might also need surgery to remove a blockage or to repair the valve at the ureterovesical junction.

有些体可能需要通过手术来移除阻塞，或修补输尿管口缺损的瓣膜。

What you're really hearing there are the person's heart valves opening and closing.

你真正听到的是人的心脏瓣膜打和关闭。

To keep the lymph from sliding backwards, the lymphatic vessels have valves just like the veins.

为防止淋巴返流，淋巴管和静脉一样有瓣膜。

This endocardium lines the heart chambers as well as the heart valves.

心内膜覆盖了心脏各腔室和瓣膜。

Threaded through a person's blood vessels, the sensor can provide blood pressure readings at the valve of the heart itself.

穿过一人的血管，传感器可以在心脏瓣膜提供血。

Lymphatic capillaries are extremely permeable because their walls are made of endothelial cells that only loosely overlap, forming one-way minivalves.

毛细淋巴管是极度通透的，因为它们的管壁仅由松散重叠的内皮细胞构成，形成单向的微小瓣膜。

The group also notes that radiation can cause heart rhythm disorders and structural damage in blood vessels and heart valves.

美国心脏协会还指出，辐射可能导致心律失常和血管和心脏瓣膜的结构损伤。

In this nasal region are liplike flaps of tissue called dorsal bursae that vibrate and collide to produce dolphin talk.

海豚的鼻区有被称为背侧黏液囊的唇形片状瓣膜，通过振动和碰撞让海豚能够“讲话”。

Although it would be unusual for rheumatic heart disease to cause ventricular dysrhythmias, we've still got to check your valves.

也许那对风湿性心脏病来说，心室疾病不太常见，但我们还是要检查下你的瓣膜。

They have special, sort of valves in their circulatory system that does actually stop the pooling of blood in the head.

它们的循环系统内有象是瓣膜一样的特殊构造，防止血液冲向头部。

So, in every step, some valves have to open and others have to close.

所以，在每一步中，某些瓣膜须放，而另一些则须关上。

So he says to his wife, " you don't love me anymore? " His heart- boom! Quadruple bypass. Blown a valve.

“你不再爱我了吗？”他的心脏受到了重创！做了第四次心脏搭桥手术。瓣膜撕裂。

The actual heart looks like, well any other organ, gross and slimy with all kinds of weird veins, valves and ventricles.

真正的心脏看起来就像其他器官一样，粗糙而粘稠，有各种奇怪的静脉、瓣膜和心室。

I'm learning about valves in the heart.

我正在学习心脏瓣膜。