These club cells secrete glycosaminoglycans which protect the bronchiolar epithelium.

棒状细胞能分泌糖胺聚糖，来保护细支气管内膜。

It infects the epithelium of the respiratory mucosa, typically through a nasal route of transmission.

通常通过鼻传播途径，感染呼吸道粘膜。

Fatty acids and glycerol can easily pass through the small intestinal epithelium and into the lymphatics.

脂肪酸和甘油三酯都能轻易穿过肠壁进入淋巴管。

These tubules are the sperm factories, made of a stratified epithelium surrounding a central fluid-filled lumen.

些小管是精子工厂，由围绕充满液体的中央管腔的分层组成。

These are little bones that come off the nose, they're called turbinates, lined with specialized sensory epithelium.

些是从鼻子脱落的小骨头，们被称为鼻甲，布有专门的感。

First off, every time the epithelium and the underlying tissue is damaged, it's replaced by a scar.

首先，每次和底层组织受损，都会被疤痕组织所取代。

A perforation becomes permanent when its edges are covered by squamous epithelium and it does not heal spontaneously.

当穿孔的边缘被鳞状覆盖且不能自动愈合时，穿孔就成为永久性的。

On the other hand, rhinoviruses commonly infect the epithelium of the respiratory mucosa, which lines the nasal cavity.

另一方面，鼻病毒通常会感染鼻腔周围的呼吸道粘膜细胞。

Like the rest of the respiratory tract, the walls of the larynx are made up of mucosal epithelium.

和其呼吸道一样，喉的也是黏膜。

Squamous cell carcinoma, as you can tell by its name, arises from squamous epithelium.

鳞状细胞癌（鳞癌）正如其名，来源于鳞状细胞。

So, adenocarcinoma arises from columnar glandular epithelium.

腺癌来源于柱状腺体细胞。

There's the " proper" epithelium, which covers and lines your outer and inner body.

一个是“适当的”，覆盖并排列你的外身体和内身体。

And then there is the glandular epithelium, which forms glands and secretes hormones and other substances.

然后是腺，形成腺体并分泌激素和其他物质。

Your primary epithelium protects your whole body, inside and out.

你的初级保护你的整个身体，从里到外。

So the epithelium of the gut is highly regenerative, right?

因此，肠道的组织具有高度再生能力，对吧？

So its mucosa is made up of stratified squamous epithelium, which is better equipped to resist abrasion from food going down.

因此，其粘膜是由复层鳞状构成的，能较好地抵御食物对食管的磨损。

The downside is that this kind of epithelium doesn't have defense mechanisms, like the stomach - so it's more susceptible to acid damage.

缺点是种没有像胃那样的防御机制，所以更容易受到酸的损害。

This causes the epithelium of the lower esophagus to constantly renew, and when it's replaced by columnar epithelium, that's called Barrett's esophagus.

使得食管下段的不断更新，当其被柱状取代时，叫做Barrett食管。

The olfactory epithelium contains millions of bowling pin-shaped olfactory sensory neurons surrounded by insulating columnar supporting cells.

嗅包含数百万个保龄球瓶状的嗅感神经元，周围是绝缘的柱状支持细胞。

In chronic laryngitis the normal columnar cells undergo dysplasia, which is when they transform into squamous epithelium to adapt to the chronic irritation.

慢性喉炎中，正常柱状细胞异型增生转变为鳞状细胞，来适应慢性刺激。