Portal:Medicine/Selected picture/40, 2007
Image:Life Cycle of Onchocerca volvulus PLoS Medicine.jpg
{{center|The life cycle of Onchocerca volvulus, a parasitic worm which causes river blindness.}}
Photo credit: Giovanni Maki, derived from a CDC image at [http://www.dpd.cdc.gov/dpdx/HTML/Filariasis.htm]