Both bones have an alveolus, or socket, for each tooth.

它们都富有凹槽即牙槽，以放置牙齿。

As alveoli are responsible for gas exchange, this is not good news.

由于负责气体交换，这可不好消息。

And pneumonia, often triggered by bacterial or viral infections, attacks the alveoli themselves.

炎——常常由病毒感染引发——会攻击本身。

Men have some breast tissue as well, but they lack milk secreting alveoli.

男性也有乳房组织，但他们没有分泌乳汁的腺。

At the end of each branch is a tiny air sac called an alveolus.

在每个分支的末端都有一个叫做的小气囊。

Emphysema is when the tiny structures in your lungs called alveoli, break down.

气肿指中被称为的微小结构破裂。

In healthy babies, the alveoli are like perfectly inflated mini-balloons.

在健康的宝宝体内，就像一个个充满了气的微型气球一样。

These outpouchings are called alveoli, and there are about 500 million of them within the lungs.

这些突起称为，在部大约有5亿个。

But some of these invaders may get past the mucociliary escalator into the lungs, where they meet the alveoli.

但有些入侵者有可能通过粘膜纤毛自动扶梯并进入到里，并接触到。

If enough fluid fills some of these capillaries in the lungs, they can rupture, leaking blood into the alveoli.

一旦足量积液充斥着部毛血管，可能会出现破溃，血液渗出进入。

The first part is the root, and it sits within the alveolus.

第一部分牙根，位于牙槽骨内。

And with each breath in, oxygen enters the alveoli and freely diffuses into the blood.

而每次呼吸，氧气都会进入，通过自由扩散进入血液。

That problem happens deep in the lungs, in tiny air sacs called alveoli, which exchange carbon dioxide for oxygen.

这个问题出现在部深处，叫做的微小气囊中，将二氧化碳转化为氧气的部位。

The body also tries to force the fluid out of the alveoli through coughing.

身体也试图通过咳嗽，使那些液体脱离。

When the lungs are affected, the toxins damage the alveolar-capillary membranes, which can result in bleeding within the alveoli.

部受累时，毒素会破坏毛血管内膜，从而导致内出血。

In the lungs, the capillary lines up alongside a small sack of air called an alveolus.

在里，毛血管包绕着半球状囊，即。

This allows air to be drawn in, inflating the alveoli — millions of small sacs inside our lungs.

于空气被吸进来，充满——我们部成千上万的小囊。

Both of your lungs contain about 700 million alveoli, which together provide an amazing 75 square meters of moist membrane surface area.

你的两个包含大约 7 亿，它们共同提供了惊人的 75 平方米的湿膜表面积。

They represent tiny air-sacs or alveoli getting filled with fluid, and turning a shade of grey on CT scans.

这代表着中充满了液体，从而在CT显像中呈现灰色阴影。

The immune system releases additional white blood cells in the alveoli to help.

免疫系统也会在中释放出更多的白血胞去帮忙。