Biology 546
Human parasitology laboratory tutorial

The photograph is from a stained fecal smear from a resident in Manhattan, Kansas who complained of mild-moderate diarrhea. The trophozoite on the left measured 30 micrometers in length. What species is represented?

Endolimax nana
Entamoeba coli
Entamoeba histolytica
Iodamoeba buetschlii

Original; photograph by S.J. Upton

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