Cysts of Entamoeba hartmanni are similar to those of E. histolytica but smaller, measuring 5-10 µm. Mature cysts contain four nuclei that possess a small, discrete centrally-located ...

Cysts of Iodamoeba buetschlii vary from being nearly spherical to ellipsoidal, and measure 5-20 µm. Cysts contain a single nucleus that is not visible in either unstained or iodine-stained ...