1.Another type of lymphoid organ are lymph nodes, which are tightly packed balls of lymphoid cells and protein.

另一种器官的类型是，它们是紧密包裹的胞和蛋白质。

2.In babies the leading edge is most often caused by lymphoid hyperplasia, or the enlargement of lymphoid tissue.

在婴儿中，套叠前缘最常由样增生引起，即组织增大。

3.Now, B-cell development begins in the bone marrow, which is a primary lymphoid organ.

B胞产生于骨髓，一种初级器官。

4.The most common type is marginal zone lymphoma of mucosa-associated lymphoid tissue or MALT.

其最常见的类型是粘膜相关组织（MALT）边缘区瘤。

5.Humans have hundreds of lymph nodes, scattered throughout the body, and they're considered secondary lymphoid organs.

人有很多，分散在身体的各个部位；他们（）被认为是次级器官。

6.Some become myeloid progenitor cells whereas others become lymphoid progenitor cells.

一些会成为髓系祖胞，而其它的会成为系祖胞。

7.Now the final type of lymphoid cell is the T cell and it's in charge of cell mediated immunity.

最后一种胞就是T胞啦，它胞介导免疫。

8.A final set of lymphoid organs worth mentioning are the tonsils, which include the adenoid, tubal tonsils, palatine tonsils, and lingual tonsils.

最后值得一提的器官是扁桃体，包括腺样体（咽扁桃体）、咽鼓管扁桃体、腭扁桃体和舌扁桃体。

9.Another lymphoid organ is the thymus, which is in the upper part of the chest - just below where a necklace might sit.

另一个免疫器官是胸腺，它位于胸的上部，刚好低于佩戴项链的位置。

10.These X4 strains kind of lay low in the lymphoid tissues, and steadily destroy of CD4 T cells, since about 90% of T cells are found in lymphoid tissue.

这些X4嗜性毒株在组织中十分低调，逐步摧毁CD4-T胞，因为大约90%的T胞都分布于组织中。

11.Lymphoid organs remove foreign material from the lymph to keep it from entering the bloodstream, and act as lookout points for the body's immune defenses.

器官从中移除异体物质，阻止它们进入血流，也发挥免疫防御岗哨的作用。

12.Together they form a ring of lymphoid tissue around the throat, and their main job is to trap pathogens from the food you eat and air you inhale.

它们共同形成了咽环，它们的主要任务是困住来自食物和空气中的病原体。

13.Another lymphoid organ is the spleen, which is about the size of a fist, and sits on the left side of the body below the diaphragm and on top of the stomach.

另一个器官是脾，大约拳头大小，位于身体左侧，膈肌下方、胃的上方。

14.B cells and NK cells complete their development where they started - in the bone marrow, whereas some lymphoid progenitor cells migrate to the thymus where they develop into T cells.

B胞和NK胞在它们产生的地方（骨髓中）完成发育，而一些系组胞会迁移到胸腺，在那里它们发育成为T胞。

15.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.

一些器官以弥散组织的形式存在，它们只是由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。