Parasitology

Intestinal Amoeba Morphology: Trophozoites and Cysts

Morphological criteria for differential diagnosis of intestinal amoebae and Dientamoeba fragilis in stool: comparative sizes and structures of trophozoites and cysts.

Diagram of the structure and comparative sizes of trophozoites and cysts of intestinal amoebae
Diagram of the structure and comparative sizes of trophozoites and cysts of intestinal amoebae

✅Amoebae that can be found in human stool samples. (Dientamoeba fragilis is a flagellate, but morphologically similar to amoebae.) Three genera of amoebae inhabit the human intestinal tract: Entamoeba, Endolimax, and Iodamoeba. Read more about the laboratory diagnosis of intestinal amoebae in the private article available by paid subscription: VK Donut Labformula subscription - for 99 rub./month. The private publication contains a detailed description of laboratory diagnostics with microscopy photographs of all species. The material is translated from an authoritative source: McPherson - Henry’s Clinical Diagnosis and Management by Laboratory Methods, 24ed 2022