LCMS Navigation Tree
Minimize Maximize
Web Content Display Web Content Display
Minimize Maximize
Key Diagnostic Features
Microfilariae

Diagnostic features

(pay regard to the location of microfilariae in the host and their periodicity)

- size and morphology
- location in the host
- absence/ presence of a sheath
- posterior end (shape and arrangement of nuclei in the tip of the tail)
- anterior end (“cephalic space”, location of nuclei)

Web Content Display Web Content Display
Minimize Maximize
Microfilariae
Web Content Display Web Content Display
Minimize Maximize

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 Wuchereria bancrofti

Sheath, no nuclei in the tip of the tail

2 Brugia malayi
Sheath, 2 distinct nuclei in the tip of the tail

3 Loa loa
Sheath, nuclei extending to the tip of the tail

4 Onchocerca volvulus (skin)
No sheath, no nuclei in the tip of the tail

5 Mansonella perstans
No sheath, nuclei extending to the tip of the tail

6 Mansonella ozzardi
No sheath, no nuclei in the tip of the tail

7 Mansonella streptocerca (skin)

No sheath, nuclei extending to the tip of the hooked tail