Biology 546
Human parasitology laboratory tutorial

The egg on the left was found in the feces of a Puerto Rican coed who was taking a human parasitology course. The egg measured about 165 micrometers long x 70 micrometers wide. What species does it represent?

Diphyllobothrium latum
Schistosoma haematobium
Schistosoma japonicum
Schistosoma mansoni

Original; photograph by S.J. Upton

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