Endolimax Nana Cysts - Iodine stain

Endolimax nana parasite (Trophozoite and Cyst)

Introduction Endolimax nana is a small non-pathogenic amoeba with world wide distribution. Its life cycle is similar to that of E. histolytica but is non-invasive. Morphology of Trophozoite Trophozoites ...
Cyst of Entamoeba coli in an unstained wet mount

Entamoeba coli parasite

Introduction: Entamoeba coli are a non-pathogenic ameba with world wide distribution. Its life cycle is similar to that of E. histolytica but it does not have an invasive stage and ...
Entamoeba hartmanni cyst stained with Trichrome

Entamoeba hartmanni

Introduction Entamoeba hartmanni is a non-pathogenic amoeba with world wide distribution. Its life cycle is similar to that of E. histolytica but it does not have an invasive stage ...
Entamoeba gingivalis trophozoite

Entamoeba gingivalis

Entamoeba gingivalis was the first parasitic amoeba of humans to be described. It was recovered from the soft tartar between the teeth. it can also appear in sputum. so since morphologically ...
e.histolytica cyst

Entamoeba histolytica

General Description Entamoeba histolytica is an ameba that feeds on cells in the human colon. It is the cause of amebic dysentery (bloody diarrhea) as well as colonic ulcerations. ...
Cyst of an E. hartmanni stained with iodine.

Cyst of an E. hartmanni

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 Entamoeba coli

Cysts of Entamoeba coli

Cysts of Entamoeba coli are usually spherical, but may be elongated, and measure 10 to 35 µm. Mature cysts typically have 8 nuclei but may have as many as 16 or more. Entamoeba coli ...
Cyst of E. histolytica

Cyst of E. histolytica

Cyst of E. histolytica/E. dispar in an unstained concentrated wet mount of stool. Notice the chromatoid bodies with blunt, rounded ends (arrow).  
Trophozoite of E. histolytica

Trophozoite of E. histolytica n a direct wet preparation

Trophozoite of E. histolytica/E. dispar in a direct wet mount stained with iodine.
Trophozoites of E. histolytica with ingested erythrocytes

Trophozoites of E. histolytica with ingested erythrocytes stained with trichrome

Trophozoites of E. histolytica with ingested erythrocytes stained with trichrome. The ingested erythrocytes appear as dark inclusions. The parasites above show nuclei that have the ...
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