蟠尾絲蟲

1. • Onchocerca volvulus, the filarial parasite worm causing "river blindness" or onchocerciasis, the second most common cause of blindness in humans

Character by character

• 蟠(pán)coil
• 尾(wěi)tail
• 絲(sī)silk
• 蟲(chóng)lower form of animal life, including insects, insect larvae, worms and similar creatures