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

Entamoeba polecki cysts have one nucleus, or rarely two nuclei, with a small, usually eccentric karyosome (which can also be rather pleomorphic).  Their cytoplasm contains small inclusions and an "inclusion mass", which stains only weakly with iodine.  The cysts measure usually 11 to 15 µm (range 9 to 18 µm) and their shape varies from spherical to oval.

A	B

A: Line drawing of an E. polecki cyst.
B: E. polecki cyst in a concentrated wet mount stained with iodine.