肝脏免疫系统的组成不同于其他组织，它包含了众多的固有天然免疫细胞，如巨噬细胞、NK细胞和NKT细胞。
The immune constitution of liver is quite distinct from other tissue or organs, containing a large proportion of resident innate immune cells such as macrophages, NK cells and NKT cells.
很多细胞活动会使T细胞应激产生淋巴因子，如中性粒细胞、巨噬细胞和淋巴细胞的吸附和活化。
Stimulated t cells produce lymphokines with a wide range of activities, such as attraction and activation of neutrophils, macrophages, and lymphocytes.
巨噬细胞吞噬异物，如肺内的尘埃及碳粒，同样还有活体染料的微粒。
Macrophages phagocytize foreign materials such as dust and carbon particles in the lung, as well as vital dye particles.
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