Portal:Medicine/Selected picture/40, 2007
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![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/48/Life_Cycle_of_Onchocerca_volvulus_PLoS_Medicine.jpg/290px-Life_Cycle_of_Onchocerca_volvulus_PLoS_Medicine.jpg)
The life cycle of Onchocerca volvulus, a parasitic worm which causes river blindness.
Photo credit: Giovanni Maki, derived from a CDC image at [1]
Photo credit: Giovanni Maki, derived from a CDC image at [1]