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- The most distinguishing feature of the Entamoeba coli is the eight-core nuclei, which develops as the cyst begins to mature. In the octonucleate cystic form, the glycogen vacuole is reabsorbed. Occasionally, the nuclei may replicate until it has 16 nuclei in total. The mature cyst is rich in glycogen with a refractile wall.
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Aug 23, 2023 · On initial microscopy, the cyst of Entamoeba coli typically has eight nuclei, while Entamoeba histolytica typically has four. The peripheral chromatin is coarse and irregularly clumped for Entamoeba coli and fine, evenly distributed for Entamoeba histolytica.
- Laboratory Diagnostic Techniques for Entamoeba Species - PMC
Cysts: 10-15 μm, mature cyst with 4 nuclei, immature cyst...
- Intestinal Protozoa: Amebas - Medical Microbiology - NCBI ...
The cyst form is rounded, 10 to 20 µm in diameter, with one...
- Laboratory Diagnostic Techniques for Entamoeba Species - PMC
Cysts of Entamoeba coli are usually spherical but may be elongated and measure 10–35 µm. Mature cysts typically have 8 nuclei but may have as many as 16 or more. Entamoeba coli is the only Entamoeba species found in humans that has more than four nuclei in the cyst stage. The nuclei may be seen in unstained as well as stained specimens.
Entamoeba coli cyst with more than 4 nuclei. The presence of E.coli is not cause in and of itself to seek treatment as it is considered harmless. However, when a person becomes infected with this benign entamoeba, other pathogenic organisms may have been introduced as well, and these other pathogens might cause infection or illness.
- E. coli
- Entamoeba
Immature cysts typically have a large glycogen vacuole and two nuclei. Mature cysts have eight nuclei, with hypernucleate forms having 16 or more nuclei. The presence of an Entamoeba cyst in human stool with more than four nuclei is pathognomonic for E. coli (Ash and Orihel, 2007).
Aug 23, 2023 · Mature Entamoeba coli Cyst. This trichrome-stained photomicrograph depicts a mature Entamoeba coli cyst containing five clearly visible nuclei and what may have been a sixth nucleus, which was outside the focal plane and, therefore, out of focus. The cyst also contained a visible chromatoid body.
