Biology 546
Human parasitology laboratory tutorial

The egg on the left was found in a fecal flotation from a 9 year old boy. It measured about 60 micrometers in length by 30 micrometers in width. What species does it represent?

Enterobius vermicularis
Necator americanus
Schistosoma mansoni
Trichuris trichiura

Original; photograph by S. J. Upton

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Kansas State University | Biology Division