onchocerciasis

onchocerciasis definition - medical

on·cho·cer·ci·a·sis (ŏngˌkō-sər-kīˈə-sĭs) or on·cho·cer·co·sis (-sər-kōˈsĭs)

noun
A disease occurring in tropical Africa and Central America, transmitted by black flies and caused by infestation with filariform nematodes of the genus Onchocerca, especially O. volvulus, and characterized by nodular swellings on the skin and lesions of the eyes. Also called river blindness, volvulosis.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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