sporozoites bradyzoites blood stage sporozoites Apicomplexan life cycle blood stage sporozoites Apicomplexan life cycle blood stage blood stage blood stage blood stage Apicomplexan life cycle Apicomplexan life cycle https://en.wikipedia.org/wiki/Apicomplexan_life_cycle#oocyst ookinetes blood stage merozoites https://en.wikipedia.org/wiki/Apicomplexan_life_cycle#oocyst oocysts спорозоитов Apicomplexan life cycle oocysts