2023年8月23日 · Entamoeba coli has three distinct morphological forms: trophozoite, pre-cystic stage, and cystic stage. The most distinguishing feature is the eight-core nuclei, which develops as the cyst begins to mature.

E. coli trophozoites stained with trichrome. Trophozoites of Entamoeba coli usually measure 15–50 µm. The trophozoites have a single nucleus with a characteristically large, eccentric karyosome and coarse, irregular peripheral chromatin.

Entamoeba species all come in monogenetic forms, or having one generation lifecycles. E. coli has "three distinct morphological forms exist airing the life cycle-Trophozoite, Pre-cystic stage and Cystic stage". This lifecycle gives rise to the general way of how Entamoeba species form.

Nuclei of trophozoites are visible in formalin-fixed material but are usually not sufficiently distinctive for species identification. Chromatoid bodies are more easily seen in unstained wet mounts than in iodine preparations. Neutral red dye in methocel solutions.

2018年4月9日 · Entamoeba coli can be diagnosed by examination of stool specimen for the presence of vegetative active form (trophozoite), which is present mainly in diarrheal stool specimen and sometimes in soft stool samples. The dormant (non-feeding) stage of Entamoeba coli is mostly present in semi-formed, formed. Both of them (cyst and

Entamoeba coli has “three different morphological forms in each life cycle: trophozoite, precystic stage, and cystic stage.” This life cycle gives rise to the general way in which the Entamoeba species form. This parasite has a large nucleus with a …

During passage through the colon, the trophozoite rounds up and synthesizes a chitin-containing cyst wall. Entamoeba coli cysts measure 10 to 35μm and usually contain 8 to 16 nuclei, although occasionally 32 nuclei are seen. Transmission of Entamoeba coli infection occurs through the fecal-oral route in the same manner as E. histolytica infection.