Biology 546
Human parasitology laboratory tutorial

The microfilaria on the left was seen in a blood smear of a graduate student native to Africa. You note that it is sheathed, fails to possess tail nuclei, and measures about 290 micrometers in length by 8.5 micrometers in width in the fixed smear. What species does it represent?

Brugia malayi
Loa loa
Onchocerca volvulus
Wuchereria bancrofti

Original; photograph by S. J. Upton

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