Dracunculus medinensis

Species of parasitic worm

Dracunculus medinensis is a nematode that causes dracunculiasis, also known as guinea worm disease. The disease is caused by the female which, at around 80 centimetres in length, is among the longest nematodes infecting humans. The length of specimens exhibits extreme sexual dimorphism, as the longest recorded male Guinea worm is only 4 cm.

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