胸腺吞噬细胞含量甚少。

Phagocytes in thymus are very few.

淋巴和单核吞噬细胞系统是机体的第二道防线。

Lymphatic and mononuclear phagocyte system is the body of the second line of defense.

人感染时，机体的白细球吞噬细胞行动起来消除感染。

When we get an infection, white blood cells called phagocytes leap into action.

到最后，吞噬细胞前体可能发生恶变，导致急性或慢性骨髓性白血病。

Finally, phagocyte precursors may undergo malignant transformation, which results in acute or chronic myelogenous leukemia.

非专一性防卫机制包括使用皮肤，纤毛和黏液，胃液及吞噬细胞等。

Non-specific defence mechanisms involve skin, cilia and mucus, gastric juice and phagocytes.