It is an inflammatory condition of the larynx, trachea and bronchi; more common than acute epiglottitis.

这是一种喉、气管气管粘膜的急性感染性疾病；比急性会厌炎更常见。

It goes down past the trachea and main bronchi to eventually reach the bronchioles - it's primary target.

经过气管和主气管后，病毒最终到达其主要目标细气管。

Smooth muscle along the trachea and the first few branches of bronchi have beta 2 adrenergic receptors.

气管和初级气管分的平滑肌上，都有β2受体。

The trachea and the first three generations of bronchi, are all pretty wide and use cartilage rings for support.

食管和前三级气管都非常宽大，有气管软骨作撑。

Have you tried to intubate her left bronchus?

有没有试过插管进左气管？

The mainstem bronchi then divide into smaller and smaller bronchi.

气管会反复分成小气管。

The actions of these cohorts eventually led to severe pulmonary haemorrhage and necrosis – or tissue death – within the bronchi.

这种团伙行动最终导致了严重的肺出血和气管内的坏死——或组织死亡。

Asthma affects the respiratory system, particularly the smaller airways, such as the bronchi and bronchioles.

哮喘会影响呼吸系统，尤其是较小的气道，例如气管和细气管。

Chronic bacterial infection and inflammation can lead to bronchiectasis, which is airway wall damage causing permanent dilation of the bronchi.

长期细菌感染和炎症可以导致气管炎，即气道壁被破坏导致气管的永久性扩张。

Others in such high-risk areas as the walls of the bronchi and the intestines remove certain bacteria and shattered cells.

我们对疾病产生免疫力 身体处理感染有其特殊的方法。有一个系统，能够一开始就阻止感染性物质的侵袭，然后通过" 记忆" ，能给身体—个长久的免疫力来抵抗来自将来同种入侵者的侵袭。

Finally, in the bronchi, but not the bronchioles, there is also a layer of cartilage below the submucosa which stiffens the bronchus and helps to keep it open.

最后，在某些气管中，黏液下层之下还有一层软骨；这些软骨可以使气管变硬并且保持开放。

From there, the trachea splits in two, forming the right and left main bronchi. You can imagine these inner lung parts as sort of an upside-down tree.

从那里，气管一分为二，形成左右的主气管。你可以把这些肺内部分想象成一棵倒置的树。

Once the measles virus gets onto the mucosa of an unsuspecting person, it quickly starts to infect the epithelial cells in the trachea or bronchi.

一旦麻疹病毒进入一个毫无戒备的人的粘膜，很快就会开始感染气管或气管上皮细胞。

These are the glands that secrete the majority of the mucus into the lumen of the bronchi, helping to catch and filter out particles and pathogens.

排向管腔的黏液绝大多数由这些黏液腺分泌，这些黏液可以阻挡和过滤微小的病原体。

Now, once air makes it's way into the larynx, it then continues down as the trachea or the windpipe, which splits into the two mainstem bronchi.

而一旦空气进入咽喉，接下来就是气管，延伸为两侧的气管。

After the first three generations of bronchi, however, the airways become more narrow, called bronchioles - 'little bronchi', and these can stay open without the need for cartilage.

然而，前三级气管的下级：气道变得更狭窄，称为细气管；这些气管可以保持开放而不需要软骨。

During inhalation, air reaches your lungs by traveling down your trachea, then it continues through the bronchi and the bronchioles and ends up in the alveoli.

吸气时，空气通过气管进入肺部，然后继续穿过气管和细气管，最后进入肺泡。

The lower respiratory system begins with the larynx, or voice box, and includes the trachea, or wind pipe, bronchi, bronchioles, and alveoli within the lungs.

下呼吸系统始于喉、也可称音箱，并且包括气管，也可称风管，气管，细气管和肺内的肺泡。

Occasionally in the sputum there might be curschmann spirals, which are spiral shaped mucus plugs or basically elongated mucous casts from small bronchi of people with bronchial asthma.

偶尔在痰中可能会有库什曼螺旋晶体，也就是螺旋形的粘液栓，或是本质上是气管哮喘患者的小气管塑成的细长粘液。

The trachea is part of the conducting zone, and it branches into right and left primary bronchi, carrying air to and from the right and left lung, respectively.

气管是传导区的一部分，并且分出右和左主气管，们运载气体进出相应的肺。