Biology 546
Human parasitology laboratory tutorial

The adult trematode on the left was removed from the gall bladder of a Kansas man during gall bladder surgery. It measured approximately 30 mm long x 12 mm wide. What species does it represent?

Clonorchis sinensis
Fasciola hepatica
Fasciolopsis buski
Paragonimus westermani

Original; photograph by S. J. Upton

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Kansas State University | Biology Division