NCIt definition : A species of Retortamonas protozoa that form cysts and trophozoites in the large intestines
of humans. Infestation with R. intestinalis occurs through ingestion of cysts in fecal-contaminated
food or water. The species is considered non-pathogenic.;
Alternative definition : CDISC: Any unicellular, eukaryotic organism that can be assigned to the species Retortamonas
intestinalis.;