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【简答题】
人体内环境中有一种具有多种免疫功能的巨噬细胞，它可以识别、吞噬和消灭侵入体内的病原体、有害异物，也能清除受损、衰老、死亡和突变的自体细胞等。下面是巨噬细胞吞噬过程示意图，请回答下列问题： 吞噬细胞对某些胞内寄生的细菌如结核杆菌，要彻底消灭往往是很困难的，结果结核杆菌在巨噬细胞内繁殖起来，随着巨噬细胞的游走而扩散，加重了病情。人的特异性免疫功能对付被病原菌寄生细胞的方法是，首先由（）使之裂解，然后通过（）的作用将释放出的病原菌消灭。
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