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學(xué)習(xí)快評丨qibao666888　　嬰??(ying)幼?(you)兒??(er)期??(qi)(0～3歲??(sui))??，新??(xin)生??(sheng)兒??(er)免??(mian)疫??(yi)系??(xi)統(tǒng)??(tong)像??(xiang)一??(yi)支??(zhi)未??(wei)經(jīng)??(jing)實(shí)??(shi)戰(zhàn)??(zhan)的??(de)“新??(xin)兵??(bing)部??(bu)隊(duì)??(dui)”??，先??(xian)天??(tian)性??(xing)免??(mian)疫??(yi)(如??(ru)中??(zhong)性??(xing)粒??(li)細(xì)?(xi)胞??(bao)、巨?(ju)噬??(shi)細(xì)??(xi)胞??(bao))活??(huo)性??(xing)高??(gao)??，但??(dan)皮??(pi)膚??(fu)、黏??(nian)膜??(mo)屏??(ping)障??(zhang)薄??(bo)弱??(ruo)??，易?(yi)受?(shou)病??(bing)毒??(du)(如??(ru)呼??(hu)吸??(xi)道??(dao)合??(he)胞??(bao)病??(bing)毒??(du)、輪??(lun)狀??(zhuang)病?(bing)毒??(du))侵??(qin)襲??(xi)??。??此??(ci)時(shí)??(shi)主??(zhu)要??(yao)依??(yi)賴??(lai)母??(mu)體??(ti)通??(tong)過?(guo)胎??(tai)盤??(pan)和??(he)母??(mu)乳??(ru)傳??(chuan)遞??(di)的??(de)抗??(kang)體??(ti)(如??(ru)IgG、IgA)提??(ti)供??(gong)保??(bao)護(hù)??(hu)??。　　適??(shi)應(yīng)??(ying)性??(xing)免??(mian)疫??(yi)??，是??(shi)后??(hou)天?(tian)訓(xùn)??(xun)練??(lian)的??(de)“智??(zhi)能??(neng)特??(te)種??(zhong)兵??(bing)”??。??如??(ru)果??(guo)說??(shuo)先??(xian)天?(tian)性?(xing)免?(mian)疫??(yi)是??(shi)“快??(kuai)速?(su)反??(fan)應(yīng)??(ying)部??(bu)隊(duì)??(dui)”??，那??(na)么??(me)??，適??(shi)應(yīng)??(ying)性??(xing)免??(mian)疫?(yi)就??(jiu)是??(shi)經(jīng)??(jing)過??(guo)特??(te)訓(xùn)??(xun)的??(de)“智??(zhi)能??(neng)特??(te)種??(zhong)兵??(bing)”??，能??(neng)精??(jing)準(zhǔn)??(zhun)識??(shi)別??(bie)并?(bing)消??(xiao)滅??(mie)特??(te)定??(ding)敵??(di)人??(ren)??，還??(hai)能??(neng)形??(xing)成??(cheng)長??(chang)期??(qi)記??(ji)憶?(yi)??。。