Piroplasmida
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Through Parasitism, Fission (biology) and Asexual reproduction
Description
They are minute rounded or pyriform parasites found within erythrocytes, or other circulating or endothelial cells of vertebrates, where they reproduce by merogony. The trophozoite stage is separated from erythrocyte by a single membrane. This distinguishes them from other blood parasites that usually have at least two membranes.
An apical complex with a polar ring and rhopteries occurs, but without a conoid and usually without associated pellicular microtubules. They lack flagella and do not form either oocysts or spores.
The known vectors are ticks or leeches in which they undergo sporogony; sexual reproduction probably occurs in the vector.
More in Health
Food and Drug AdministrationFederal agency of the United States Department of Health and Human ServicesCenters for Disease Control and PreventionUnited States government public health agencyNauseaMedical symptom or conditionSeizurePeriod of symptoms due to excessive or synchronous neuronal brain activityVomitingExpulsion of stomach contents via the mouth or noseIntravenous therapyMedication administered into a vein