文档介绍：寄生虫阿米巴GeneralPropertiesoftheProtozoaEukaryotic,,2-200µm,:about200,000;Free-living:majority;Parasitic:around10,000;Medicalprotozoa::residentinhumanfluid,tissueorcells,;::otion&ingestion;:relatedtoindependence,invasion,:pseudopodium,flagellum,:anelles:Pseudopodium:atemporaryectoplasmicextrusion,bymeansofwhichanamoebamovesaboutorengulfsfood(Amoeba)PseudopodiumFlagellum:along,mobile,whiplikeprojectionfromthefreesurfaceofacell(Trichomonasvaginalis)Cilia:aminutevibratile(可振动的),hairlikeprocessprojectingfromthefreesurfaceofacell(Ciliates)PhysiologicalfunctionsFlagellumCiliaPhysiologicalfunctionsFeedinganddigestion:Pinocytosis----engulfingsolublematterindigestivevacuolesPhagocytosis----engulfingparticulatematterindigestivevacuolesInsomespecies,foodisingestedatadefinitesite(cytostome,.)ModeofreproductionBinaryfission–resultsin2daughtercells(almostall)Schizogony–multiplefissionsresultinginmultiplecells(malariaparasites)Budding:Externalbudding-resultsinmulti-cells(sporoblastsporozoitebudssporozoites)Internalbudding–paretoschizogony).Aspecialcaseisendodyogonywhichresultsin2cells(Toxoplasma)AsexualSexualConjugation–anismsandthenseparatingintonewindividuals(Balantidiumcoli),–,resultinginzygote(Plasmodia),:parasitesreproducebyalternativelygoingthroughasexualandsexualmeans,,includingasexualmode(schizogony)inhumanlivercellsandredbloodcellsandsexualmode(gametogo