这个词是什么意思？
The body's defense mechanism against foreign organisms or substances and deviant native cells. It includes the humoral immune response and the cell-mediated response and consists of a complex of interrelated cellular, molecular, and genetic components.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D007107 · MeSH 2026。
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