【one word every day】acquired immunity

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Acquired immunity is another term for adaptive immunity.
5 F# y! M6 Y) w6 H5 z. D7 S1 oAdaptive immunity is the response mediated by lymphocytes that are activated by their specific interaction with  antigen. The adaptive immune respose develops over several days as lymphocytes with antigen specific receptors are stimulated to pro liferate and become effector cells. It is responsible for immunological memory.
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from :Gene IX

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【注：每天一词：有时候觉得自己的知识面窄或者基础不牢，在这里我跟大家每天复习一个专业名词，因为我们很多名词是从英语翻译来的，翻译的并不准确，大家可以习惯下直接用英语去理解。】

initiation

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