Below the nasopharynx and closer to the mouth is the second division of the pharynx, the oropharynx. The palatine tonsils, two rounded massed of lymphatic tissue, are located in the oropharynx.

在鼻并且更接近口腔的是的第二部——口，也称作腭扁桃体，为两团圆的组织，位于口部。

Some lymphoid organs are in the form of diffuse lymphoid tissue, where they are just a loose arrangement of lymphoid cells and protein, this is typical in the lining of the gastrointestinal and respiratory tract.

一器官以弥散组织的式存在，它们只是由细胞和蛋白质松散排列而成，这在胃肠道和呼吸道的内层很典型。

The cell then covers itself in broken pieces of the allergen and moves to a site of some lymph tissue.

然后细胞用过敏原的碎片覆盖自己，并移动到一组织的部位。

We even have something called the lymphatic system, which circulates immune cells throughout our body, sending them wherever they're needed.

我们甚至有一个称为系统的组织，它在全身循环免疫细胞，将它们送到需要的地。

It seems to represent those coordinated immune defenses you find right at the body's surfaces, like in mult-mucosa-associated lymphoid tissue.

它似乎代表了在身体表面，例如黏膜相关组织中发现的那协同作用的免疫防御机制。