07. Immune system: Macrophage, defense against microfilarie
Electron microscopy

A Microfilariae (larval worms) of a parasitic nematode roundworm being attacked by cells of the immune system. Numerous nematodes cause disease in humans, living as parasites of the intestines, blood, lymph, subcutaneous & connective tissues.

Examples include Enterobius vermicularis (Pinworm), Ascaris lumbricoides (Roundworm), Toxocara canis (Dog ascaris, the cause of visceral larva migrans) and Onchocerca volvulus (River blindness). Coloured scanning electron micrograph, Magnification: x1,200, x1,200, x1,300.