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　　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)??。??　　動(dòng)??(dong)態(tài)??(tai)平??(ping)衡??(heng)??，免??(mian)疫??(yi)系??(xi)統(tǒng)??(tong)的??(de)“終??(zhong)生??(sheng)任??(ren)務(wù)??(wu)”QZEOCXOMKXqibao666888　　Bxi ??(xi)bao ??(bao)zuo ??(zuo)wei ??(wei)“kang ??(kang)ti ??(ti)gong ??(gong)chang ??(chang)”??，neng ??(neng)zhen ??(zhen)dui ??(dui)bu ??(bu)tong ??(tong)bing ??(bing)yuan ??(yuan)ti ?(ti)ding ??(ding)zhi ??(zhi)te ??(te)yi ??(yi)xing ??(xing)kang ??(kang)ti ??(ti)??，tong ??(tong)guo ??(guo)zhong ??(zhong)he ??(he)bing ??(bing)du ??(du)huo ??(huo)biao ??(biao)ji ??(ji)bing ??(bing)yuan ?(yuan)ti ??(ti)xie ??(xie)zhu ??(zhu)qing ??(qing)chu ??(chu)ji ??(ji)zhi ??(zhi)；tong ??(tong)shi ?(shi)fen ??(fen)hua ?(hua)chu ?(chu)de ??(de)ji ??(ji)yi ??(yi)Bxi ??(xi)bao ??(bao)ke ??(ke)zai ?(zai)mian ??(mian)yi ??(yi)jie ??(jie)shu ??(shu)hou ??(hou)bao ??(bao)liu ??(liu)kang ??(kang)ti ??(ti)“tu ??(tu)pu ??(pu)”??，shi ??(shi)xian ??(xian)kuai ??(kuai)su ??(su)er ??(er)ci ??(ci)ying ??(ying)da ??(da)??。??　　dong ??(dong)tai ??(tai)ping ??(ping)heng ??(heng)??，mian ??(mian)yi ??(yi)xi ??(xi)tong ??(tong)de ??(de)“zhong ??(zhong)sheng ??(sheng)ren ??(ren)wu ??(wu)”