- Infective stage to human
- Detected in faecal specimens of infected human
- Eggs not infective when passed; need to develop in soil for a few weeks
Diagnostic Features
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- Size: 60 µm x 45 µm (range, 45-70 µm x 35-45 µm)
- Shape: Round or ovoid
- Colour: Brown due to bile staining
- Mammillated albuminous coat on outer shell
- Thick shell
- Granular mass in centre
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Magnification x40 