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[Endolimax nana] [Entamoeba coli] [Entamoeba hartmanni] [Entamoeba polecki] [Iodamoeba buetschlii]

Iodamoeba buetschlii have one nucleus with a large, usually central karyosome surrounded by refractile, achromatic granules.  Their cytoplasm is coarsely granular, vacuolated and can contain bacteria, yeasts or other materials.  The trophozoites measure usually 12 to 15 µm (range 8 to 20 µm).

A

A: I. buetschlii trophozoite stained with iron hematoxylin.