Keywords: Filariasis Microfilariae of Loa loa (right) and Mansonella perstans (left) DPDx.JPG Filariasis Loa loa and M perstans microfilariae 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 http //www dpd cdc gov/dpdx/images/ParasiteImages/A-F/Filariasis/Loa_Mans_perstans_DPDx JPG PD-USGov Filariasis Loa loa Mansonella perstans |