This document provides images and information for identifying different intestinal protozoa under a microscope. It shows trophozoites and cysts of Entamoeba histolytica, Entamoeba coli, Endolimax nana, and Iodamoeba butschlii, including their appearances and key distinguishing characteristics to help with diagnosis.

1. Intestinal Protozoa Identification
Compiled by
Rahajeng N. Tunjungputri, MD, MSc

3. Entamoeba coli trophozoites

15. Entamoeba histolytica trophozoites

17. Entamoeba histolytica

27. ?

28. others

29. Endolimax nana

30. Endolimax nana

31. Endolimax nana

32. Endolimax nana

33. I. butschlii cyst

34. I. butschlii cyst

35. Entamoeba coli cysts

45. Entamoeba histolytica cysts