The middle layer is the lamina propria and it contains blood and lymph vessels.

粘膜层的中层为固有层，内含血管和淋巴管。

These are signs that your lymph vessels may circulate more slowly, letting toxins accumulate in your body.

这些症状说明你的淋巴系统流速变慢，导致毒素堆积在身体内。

Hundreds of lymph nodes cluster along the lymph vessels, each one a few millimeters to about 1–2 cm in size.

数以百计的淋巴结沿着淋巴管聚集，每一个只有几毫米至1-2厘米大。

It is through the capillaries in the villi that completely digested nutrients pass into the bloodstream and lymph vessels.

通过绒毛中的毛细血管被完全消化的营养物质进入血液和淋巴管。

When vaccines are given in the thigh, the lymph vessels don't have far to travel to reach the cluster of lymph nodes in the groin.

当在大腿接种疫苗时， 淋巴管不需要走很远就可以到达腹股沟的淋巴结群。

Malignant tumor cells can get into nearby blood or lymph vessels, and travel from the primary site to establish a secondary site of tumor growth somewhere else in the body - and that's called metastasis.

恶性肿瘤细胞可以进入邻近的血管和淋巴管，从原发病灶到达身体的其它地方，形成继发病灶，称之为转移。