Information om | Engelska ordet CERCARIA

Exempel på hur man kan använda CERCARIA i en mening

• Fasciola pass through five phases in their life cycle: egg, miracidium, cercaria, metacercaria, and adult fluke.
• gigantica is: Eggs (transported with feces) → egg hatch → miracidium → miracidium infect snail intermediate host → (parthenogenesis in 24 hours) sporocyst → redia → daughter redia → cercaria → (gets outside the snail) → metacercaria → infection of the host → adult stage produces eggs.
• The motile cercaria finds and settles in a host where it will become either an adult, or a mesocercaria, or a metacercaria, according to species.
• This snail is host to many parasites in its native habitat, including cercaria, metacercaria, ciliated protozoans, annelids, and chironomid larvae.
• The motile cercaria larva is released by the first intermediate host, typically a snail, and parasitizes a second intermediate host, where it encysts into a metacercaria.
• It is hypothesised that the free cercaria in water bodies accidentally find and penetrate these animals as second intermediate host, where they encyst as metacercaria.

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