Intestinal Protozoa (Entamoeba)
Entamoeba hystolytica
(note: can not be visually distinguished from E. dispar)
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Entamoeba hystolytica cyst, trichrome stain

Entamoeba hystolytica cyst, the larger of the 2 cysts, wet preparation with iodine, (40x object, 2.5 μm/unit)

Entamoeba hystolytica troph, trichrome stain
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Entamoeba coli |

Entamoeba coli cyst, trichrome stain

Entamoeba coli cyst, the larger cyst, wet preparation with iodine (40x object, 2.5 μm/unit)

Entamoeba coli troph, trichrome stain
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Entamoeba hartmanii |

Entamoeba hartmanii cyst, trichrome stain

Entamoeba hartmanii cyst, the smaller of the 2 cysts, wet preparation with iodine, (40x object, 2.5 μm/unit)

Entamoeba hartmanii troph, trichrome stain
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