Biology 546
Human parasitology laboratory tutorial

The photograph on the left is from scrapings of the gums of a Kansas State University student. Each trophozoite measures about 20 micrometers in length. No pathology or lesions were noted. What species is most likely represented?

Endolimax nana
Entamoeba gingivalis
Entamoeba histolytica
Iodamoeba buetschlii

Original; photograph by S.J. Upton

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