SIZE OF TREMATODE-ADULT
7 × 1.5 CM → F.G & F.B
3 × 1.2 CM → F.H
1.5 × 0.5 MM → H.HETEROPHYSE & M.YOKOGAWAI
1.5 × 0.5 CM → P.WESTERMANI
SIZE OF TREMATODE-EGG
140 × 70 µ → F.G & F.H & S.MANSONI
120 × 60 µ → F.BUSKI & S.HAEMATOBIUM
100 × 50 µ → S.JAPONICUM & P.WESTERMANI
Cell trematode egg MUST REACH WATER to complete life cycle
Cell trematode egg hatch in water EXCEPT h.heterophyse & p.westermani(ingested by snail)
All trematode eggs have immature embryo EXCEPT H.heterophyse,M.yokogawai,schistosoma (HAVE MATURE EMBRYO)
All trematode egg are operculated EXCEPT schistosoma
All trematode intramolluscolum stage begin with MIRACIDIUM except H.HETEROPHYSE & M.YOKOGAWAI begin with EGG
All tremaode have redia stage except SCHISTOSOMA
All trematode INFECTIVE STAGE is encysted metacercaria except schistosoma (infective stage is cercaria)
All cercaria of trematode are:
- Stage before is redia except schistosoma
- Stage after is encysted metacercaria except schistosoma schistosoma
- Have no medical important except schistosoma infective stage
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