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學(xué)習(xí)快評丨qibao666888　　其??(qi)次??(ci)是??(shi)清??(qing)除??(chu)威??(wei)脅??(xie)??，包??(bao)括??(kuo)消??(xiao)滅??(mie)細(xì)?(xi)菌??(jun)、病??(bing)毒??(du)等??(deng)外??(wai)來??(lai)入??(ru)侵??(qin)者??(zhe)??，及??(ji)時(shí)??(shi)發(fā)??(fa)現(xiàn)??(xian)并??(bing)清??(qing)除??(chu)異??(yi)常?(chang)細(xì)??(xi)胞??(bao)??，防??(fang)止??(zhi)腫??(zhong)瘤??(liu)形??(xing)成??(cheng)??。??　　B細(xì)??(xi)胞??(bao)作??(zuo)為??(wei)“抗??(kang)體??(ti)工?(gong)廠??(chang)”??，能??(neng)針??(zhen)對??(dui)不??(bu)同??(tong)病??(bing)原??(yuan)體??(ti)定??(ding)制??(zhi)特??(te)異??(yi)性??(xing)抗??(kang)體?(ti)??，通??(tong)過??(guo)中??(zhong)和??(he)病??(bing)毒??(du)或??(huo)標(biāo)??(biao)記??(ji)病??(bing)原??(yuan)體?(ti)協(xié)??(xie)助??(zhu)清??(qing)除??(chu)機(jī)??(ji)制??(zhi)；同??(tong)時(shí)??(shi)分??(fen)化??(hua)出??(chu)的??(de)記??(ji)憶??(yi)B細(xì)??(xi)胞??(bao)可??(ke)在??(zai)免??(mian)疫?(yi)結(jié)??(jie)束??(shu)后??(hou)保??(bao)留??(liu)抗??(kang)體??(ti)“圖??(tu)譜??(pu)”??，實(shí)??(shi)現(xiàn)??(xian)快??(kuai)速??(su)二??(er)次??(ci)應(yīng)?(ying)答??(da)??。??。