Amoeba in alimentary tract ● Entamoeba E histolytica(pathogenic) E dispar(non-pathogenic) -E,Co∥( big sister) E. hartman(little brother E. gingivalis (oral) o Endolimax nana(occasionally pathogenic E o Iodamoeba butschliiAmoeba in alimentary tract • Entamoeba – E. histolytica (pathogenic) – E. dispar (non-pathogenic) – E. coli (big sister) – E. hartmani (little brother) – E. gingivalis (oral) • Endolimax nana (occasionally pathogenic) • Iodamoeba butschlii