- Cyst is the infective stage to human
- Detected in faeces of infected human
Diagnostic Features
- Size: 50-55 µm (range 45-65 mm)
- Shape: Large, oval or round shaped
- Thick walled
- No cilia and is non motile
- Kidney shaped macronucleus
- Contractile vacuoles visible in the cytoplasm
Magnification x4
Magnification x10
Magnification x40
Magnification x100
