双语《血吸虫病》课件-图文

Schistosomosis

血吸虫病班级：0动物医学（2）主讲人：组员：2021/10/10星期日1Schistosomosisiskindofparasiticzoonosis（人畜共患寄生虫病）whichiscausedbySchistosomajaponicum(日本血吸虫).

Itlivesintheportalvein（门静脉）systemandmesentericveins（肠系膜静脉）ofhuman,cattleandothermammal.Introduction2021/10/10星期日2Slender（细长）Furvous（暗黑色）OvaryLongcylinder（长圆柱形）Ivory(乳白色）Gynecophoriccanal（抱雌沟）TestisThefemaleThemaleMorphology1.Adult:dioecism（雌雄异体）2021/10/10星期日32021/10/10星期日42021/10/10星期日52021/10/10星期日62.Eggitisovalinshape,slightlyyellowincolor.Thesizeisabout70-100um×50-65um,thethinshell,withoutan

operculum（卵盖）2021/10/10星期日7Lifecycle1.Stages:2021/10/10星期日82021/10/10星期日92.Siteofinhabitation:mesentericvein（肠系膜静脉）etc.3.Infectivemode:percutaneousinfection4.Intermediatehost:oncomelania5.Lifespan:3-4years2021/10/10星期日10Epidemiology1.SchistosomajaponicumwasonceprevalentinSouthChina,Japan,PhilippinesandIndonesia50yearsago.Howevertheinfectionrateoftheparasiteisrisinginrecentyears.2021/10/10星期日112.Oncomelaniahupensisistheintermediatehostoftheparasite,whichhasagreateffectonthedistributionofSchistosomajaponicum.2021/10/10星期日123.Percutaneousinfectionisthoughttobetheprimewaytospreadthisdisease,butoralmucosa（口腔黏膜）andplacentalinfection（胎盘感染）canalsohelpthetransmissionfromanimaltoanimal.2021/10/10星期日13Symptoms

Acuteprocess(大量感染—急性过程)inappetencedepressionfever40℃~41℃palemucosaedemaemaciationChronicprocess（少量感染—慢性过程）indigestionaciesisabortion2021/10/10星期日14LesionsEggnodule(虫卵结节)canbefoundinliverandmesentericvein.2021/10/10星期日15Diagnosis1.pathogenicexamination（病原检查）

miracidiahatchingmethod(毛蚴孵化法)

尼龙绢筛集卵法2.Immunologicaltest（免疫学试验）

DDIA（胶体染料试纸条法）

斑点金免疫渗透法

ELISAIHA

环卵沉淀试验2021/10/10星期日16ControlTreatmentPraziquantel（吡喹酮）

Amosconate（硝硫氰胺）

Deptarax（敌百虫）④Hexachloroparaxylence（血防-846）2021/10/10星期日17Preventiondestructionofsnailsperiodicinspectiondrugprophylaxis2021/10/10星期日18References《人畜共患病》崔言顺，焦新安主编，中国农业出版社；《现代寄生虫学》谢明权，李国清主编，广东科技出版社；《高级寄生虫学》李国清，谢明权主编，高等教育出版社；《影响人类健康的常见人兽共患病》陆家海，栾玉明主编，中山大学出版社；《日本血