nounZoology & Medicine
A growing stage in the life cycle of some sporozoan parasites, when they are absorbing nutrients from the host.
- Ingested cysts hatch into trophozoites in the small intestine and continue moving down the digestive tract to the colon.
- To measure parasite burden of winners and losers, we assessed the number of eugregarine trophozoites in a male's mid-gut by removing the entire gut carefully and making light microscope thin-section preparations.
- Exposure to bile is the primary stimulus for encystation, where trophozoites transform into cysts that pass out with the feces.
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