Endolimax nana

The identification of intestinal amoebae depends on the size and shape of trophozoites and cysts and on morphology and number of nuclei.

Endolimax nana has a world-wide distribution and is considered an harmless commensal of the intestine.

E.nana trophozoites are small (6-12 µm); the nucleus contain a large karyosome with a clear halo.