TREMATODES

• The infective stage is metacercariae except schistosoma
• infective stage of schistosoma is cercaria
• Fasciolopsis buski another name is Giant Intestinal Fluke
• ingestion of metacercaria on waterplants ; Fasciolopsiasis
• Echinostoma ilocanum -ingestion of metacercaria from snails
• Artyfechinostomum malayanum - ingestion of snail with infective stage
• Heterophyid Group -ingestion of metacercaria from fishes
• Clonorchis sinensis another name is Chinese Liver Fluke
• Clonorchis sinensis ingestion of metacercaria in fish
• Fasciola hepatica ingestion of metacercaria on waterplants
• Schistosoma japonicum : Oriental blood fluke
• Schistosoma haematobium: Visceral blood fluke
• Schistosoma mansoni: Manson’s blood fluke
• Schistosoma japonicum in eternal copula
• s. japonicum ova ; Lateral knob
• s. mansoni ova ; Lateral spine
• s. haematobium ova ; Terminal spine
• s. japonicum IH : Oncomelania quadrasi
• S. mansoni IH : Biomphalaria and Australorbis
• Schistosomule ; Develops from cercaria after skin penetration
• Alimentary system inverted Y-branched ceca with lateral branches ; fasciola hepatica
• Horseshoe-shape collar of spines (circum oral disk) around the oral suckers ; echinostoma ilocanum
• Resembles a coffee bean ; paragonimus westermani
• Sundathelphusa philippina ; 2nd IH of paragonimus westermani
• Eurytrema pancreaticum ; pancreatic flukes