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原標(biāo)題：无敌神马高清在线观看

　　首??(shou)先??(xian)要??(yao)識??(shi)別??(bie)“自??(zi)我??(wo)”與??(yu)“非??(fei)我?(wo)”??。??通??(tong)過??(guo)細(xì)??(xi)胞??(bao)表??(biao)面?(mian)的??(de)特??(te)殊?(shu)蛋??(dan)白??(bai)(如?(ru)MHC分??(fen)子??(zi))區(qū)??(qu)分??(fen)自??(zi)身??(shen)細(xì)??(xi)胞??(bao)和??(he)外??(wai)來??(lai)病??(bing)原??(yuan)體??(ti)??。一??(yi)旦??(dan)誤??(wu)判??(pan)??，可??(ke)能?(neng)攻??(gong)擊?(ji)自??(zi)身??(shen)組??(zu)織??(zhi)??，導(dǎo)??(dao)致??(zhi)類??(lei)風(fēng)??(feng)濕??(shi)關(guān)??(guan)節(jié)??(jie)炎??(yan)、1型?(xing)糖??(tang)尿??(niao)病??(bing)等??(deng)疾??(ji)病??(bing)???！　∪??(ren)體??(ti)由??(you)兩??(liang)支??(zhi)精?(jing)銳??(rui)部??(bu)隊(duì)??(dui)——先??(xian)天?(tian)性??(xing)免?(mian)疫??(yi)和??(he)適??(shi)應(yīng)??(ying)性??(xing)免??(mian)疫??(yi)組?(zu)成??(cheng)??。??它??(ta)們?(men)分??(fen)工??(gong)明??(ming)確??(que)、協(xié)??(xie)同??(tong)作??(zuo)戰(zhàn)?(zhan)??，既??(ji)能?(neng)抵??(di)御??(yu)外??(wai)敵??(di)入??(ru)侵??(qin)??，又??(you)能??(neng)清??(qing)理??(li)內(nèi)??(nei)部??(bu)隱??(yin)患??(huan)??。。