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[Trichuris trichiura]

Trichuris trichiura eggs are 50-55 micrometers by 20-25 micrometers. They are barrel-shaped, thick-shelled and possess a pair of polar “plugs” at each end.  Eggs are unembryonated when passed in stool.

A	B

A:  Atypical egg of T. trichiura.
B:  Atypical egg of T. trichiura.

C

C:  Atypical egg of T. trichiura.