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蓝氏贾第鞭毛虫(Giardialamblia Stile,1915,亦称G.intestinalis或G.duodenalis,简称贾第虫),是一种厌氧的(anaerobic)寄生性原生生物。其生活史包括滋养体(trophozoite)和包囊(cyst)两个发育阶段。前者为虫体的致病期(或营养和繁殖期),寄生于人和某些哺乳动物小肠内导致以腹泻
Giardia lamblia Stile (1915, also known as G. intestinalis or G. duodenalis) is an anaerobic parasitic protista. Its life history includes trophozoites and cysts. The former is the pathogenic stage of the parasites (or nutrition and breeding period), parasites in humans and some mammalian small intestine lead to diarrhea