|Other names |A. gingivalis, A. / E. |A. coli, Endamoeba homini, |Entamoeba nana, E. |Iodine Cyst of Wenyon, |A. coli / dysenteriae, |
| |buccalis |Loschia coli, Councilmania |intestinalis |Entamoeba williamsi/ |Entamoeba dysenteriae / |
| | |lafleuri | |buetshclii, Endolimax |dispar / tetragena, |
| | | | |williamsi |Endamoeba histolytica / |
| | | | | |dysenteriae |
|Geographical |cosmopolitan |worldwide, pop. w/ warm |- cosmo, prevalent |Worldwide |Worldwide, high in tropics &|
|Distribution | |climates; if in cold ( |infection as E.coli |Less common infection than |subtropics |
| | |unsanitary disposal of human |- warm, moist climates |nana & coli | |
| | |waste (primitive hygiene) |- low hygiene standard | | |
|Troph |-5-35µ (ave. 10-20) |(NSS) |- 16-15µ |-6-25µ (small-medium) |- invasive, growing, feeding|
|Diameter |-nearly spherical |20-30µ | |-in living & stained |-