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[Brugia malayi] [Brugia timori] [Loa loa] [Mansonella ozzardi] [Mansonella perstans] [Mansonella streptocerca] [Onchocerca volvulus] [Wuchereria bancrofti]

Microfilariae of Loa loa (right) and Mansonella perstans (left).  Patient seen in Cameroon.  Thick blood smear stained with hematoxylin.  Loa loa is sheathed, with a relatively dense nuclear column; its tail tapers and is frequently coiled, and nuclei extend to the end of the tail.  Mansonella perstans is smaller, has no sheath, and has a blunt tail with nuclei extending to the end of the tail.