onchocerciasis

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onchocerciasis river blindness

Main Entry: on·cho·cer·ci·a·sis
Pronunciation: ä-k-sr-k--ss
Function: noun
Inflected Form(s): plural -a·ses /-sz/
: infestation with or disease caused by filarial worms of the genus Onchocerca; especially : a human disease that is marked by subcutaneous nodules, dermatitis, and visual impairment and is caused by a worm (O. volvulus) which is found in Africa and tropical America and transmitted by the bite of a female blackfly -- called also onchocercosis, river blindness -- see CRAW-CRAW