Biology 546
Human parasitology laboratory tutorial

The photograph on the left is from a fecal smear. The patient had periodic bouts of mild diarrhea. The parasite measures about 12 micrometers in length by 10 micrometers in width. What species is represented?

Dientamoeba fragilis
Giardia lamblia
Iodamoeba buetschlii
Pentatrichomonas hominis

Original; photograph by S. J. Upton

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Kansas State University | Biology Division