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

另一种淋巴器官的类型是淋巴结，它们是紧密包裹的淋巴细胞和蛋白质。

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

在婴儿中，套叠前缘最常由淋巴样增生引起，即淋巴组织增大。

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

B细胞产生于骨髓，一种初级淋巴器官。

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

一些会成为髓系祖细胞，而其它的会成为淋巴系祖细胞。

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淋巴组织（MALT）边缘区淋巴瘤。

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

人有很多淋巴结，分散在身体的各个部位；他们（淋巴结）被认为是次级淋巴器官。

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

最后一种淋巴细胞就是T细胞啦，它负责细胞介导免疫。

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

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

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。

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嗜性毒株在淋巴组织中十分低调，逐步摧毁CD4-T细胞，因为大约90%的T细胞都分布于淋巴组织中。