Entamoeba hartmanni trophozoites in stool. Boy, 4 years old. Methylene blue, ×400 magnification.
Photo courtesy of KDL biologist Tanya Zhuleva, Regional Children’s Hospital No. 2 (ODKB 2) Voronezh.
Microscopic detection of Entamoeba hartmanni trophozoites in a methylene blue-stained stool smear. A clinical case in a 4-year-old child.
Entamoeba hartmanni trophozoites in stool. Boy, 4 years old. Methylene blue, ×400 magnification.
Photo courtesy of KDL biologist Tanya Zhuleva, Regional Children’s Hospital No. 2 (ODKB 2) Voronezh.

A case of an adult female Enterobius vermicularis with eggs found during stool microscopy in a child. Morphological features of the pinworm.

Microscopic detection of Giardia lamblia cysts in a stool sample stained with Lugol's solution. Parasite morphology in laboratory diagnosis of giardiasis.

A case of massive excretion of Lamblia intestinalis cysts in the stool of a 6-year-old child. Microscopic findings of a native stool sample in giardiasis.