Fasciolopsis buskip154The largest intestinal fluke.which can cause Fasciolopsis
Fasciolopsis buski p154 The largest intestinal fluke, which can cause Fasciolopsis
MORPHOLOGYOral suckerVentral suckerAdult worm :20~75×8~20×0.5~3mmUterusElongated ovoidPinkish in colour when aliveOral sucker<ventralsuckertwo branched testesUterus is located between ovaryand acetabulumtestes
MORPHOLOGY Adult worm ： 20～75×8～20×0.5～3mm Elongated ovoid Pinkish in colour when alive. Oral sucker <ventral sucker. two branched testes Uterus is located between ovary and acetabulum
ADULT WORM
ADULT WORM
Adult worm成虫stained specimensmodel figure
Adult worm
EggOperculumSize:130~140um X80~85umEmbrvoniccellColor: Pale yellowishShell: Thin shellVitellinecellsA small operculum欢aaShellContains:One undeveloped embryonic cell20~40vitellinecells
Egg Size:130～140m ×80～85m Color: Pale yellowish Shell: Thin shell A small operculum Contains: One undeveloped embryonic cell 20~40 vitelline cells
X100.EnlargedX400.EnlargedFasciolopsis buski egg
Fasciolopsis buski egg ×400. Enlarged ×100. Enlarged
姜片虫卵
姜片虫卵
LIFE CYCLEAdult - Egg - Miracidium- Sporocyst - Redia (2CercariaMetacercariagenerations)(infective stage) - Juvenile(adolescent)- Adult
LIFE CYCLE Adult – Egg – Miracidium – Sporocyst – Redia (2 generations) – Cercaria – Metacercaria (infective stage) – Juvenile(adolescent)– Adult
Metacercariaeonwater4a4bplantingestedbyhumans40orpigs,causinginfectionRediaeCercariaeSporocystsFree-swimmingcercariaeinsnailtissueSnailExcystinduodenumMiracidia hatch.penetrate snailEmbryonatedeggsinwater=Infective StageAdultsinUnembroynatedeggsA-Diagnostic Stagesmall intestinepassedinfeces
LifecycleOrallyinfectionAdultHuman and pig IntestineCercaria→MetaceEnter Miracidium→Sporocyst 三RediaEggwaterrcaria-WaterplantsSnail
Life cycle Egg Miracidium Sporocyst Snail Orally infection Adult Human and pig Intestine Enter water Metace rcaria Redia Cercaria Water plants