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Trematodes
Question | Answer |
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Name all of the trematodes - genus and species | Clinorchis sinensis Paragonimus westermanii Fasciola species Schistosoma mansion Schistosoma haematobium Schistosoma japonica |
What is the defining characteristic for the Schistosoma species and tell the location of the characteristic on each? | Schistosoma mansion - lateral spine Schistosoma haematobium - terminal spine Schistosoma japonicum - lateral knob - "not true spine" |
The main way to tell the difference between operculated ova is size. Tell the size of each ova that is identified this way. | Clinorchis sinensis - 30 µ Diphyllibothrium datum - 60 µ Paragonimus westermanii - 90 µ Fasciola species - 120 µ |
What condition does Schistosoma haematobium cause? | Bilharziasis aka urinary schistosomiasis |
How does an individual get Paragonimus westermanii? | Ingestion of undercooked freshwater crabs or crayfish |