onchocerciasis

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Related to Onchocerca volvulus: Wuchereria bancrofti, Mansonella ozzardi

on·cho·cer·ci·a·sis

 (ŏng′kō-sər-kī′ə-sĭs)
n.
Any of several diseases caused by infestation with filarial worms of the genus Onchocerca, especially a disease of humans caused by O. volvulus and characterized by nodular swellings on the skin and eye lesions that can result in blindness. Transmitted by black flies of the genus Simulium, the disease occurs in tropical regions of Africa and Central and South America. Also called river blindness.

[New Latin Onchocerca, genus name (Greek onkos, barb + Greek kerkos, tail) + -iasis.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

onchocerciasis

(ˌɒŋkəʊsəˈkaɪəsɪs)
n, pl -ses (-siːz)
(Pathology) a disease found in parts of Africa and tropical America that is caused by a parasitic worm, Onchocerca volvulus, and transmitted to humans by various species of black fly. It results in inflammation of the skin and in some cases blindness. Also called: river blindness
[C20: from Onchocerca, the genus of worms + -iasis]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.onchocerciasis - infestation with slender threadlike roundworms (filaria) deposited under the skin by the bite of black fleas; when the eyes are involved it can result in blindness; common in Africa and tropical America
infestation - the state of being invaded or overrun by parasites
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

onchocerciasis

n oncocercosis f
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
Previous programs sought to control the black flies that transmit the disease-causing parasitic worm Onchocerca volvulus, without much success.
The infecting parasite, Onchocerca volvulus, is transmitted by the bite of the Black Fly, appropriately named Simulium damnosum, and so the programme began in 1974 with spraying from' helicopters of the fly's habitats along streams.
River blindness is a filarial disease, like elephantiasis, and occurs when the parasitic worm Onchocerca volvulus takes up residence in the skin.
River blindness is caused by a parasitic worm, Onchocerca volvulus. The disease manifests as severe itching, disfiguring skin conditions and visual impairment, including permanent blindness, caused by the worm's larvae.
Onchocerciasis (river blindness) is a neglected tropical disease (NTD) caused by the parasite Onchocerca volvulus and transmitted by riverine vectors of Simulium sp.
Depletion of Wolbachia endobacteria in Onchocerca volvulus by doxycycline and microfilaridermia after ivermectin treatment.
Onchocerciasis, or river blindness, is an infectious disease endemic in 31 sub-Saharan African countries, which is estimated to have infected 26 million people.2 It is caused by the parasitic worm Onchocerca volvulus. It is transmitted through repeated bites by black flies of the genus Simulium.
prednisolone) Onchocerca volvulus Oral ivermectin Note: This table serves as a general guideline for the clinical management of infectious uveitis.
Intraocular nematode infections are uncommon and usually caused by filarial worms such as Loa loa and Onchocerca volvulus that are transmitted by flies in the tropics.
Although these species have not been incriminated in transmission of Onchocerca volvulus, the high density of the population and their severe biting cause negative impact on human population (allergy) and on cattle (loss of weight and/or reduction of milk production) (MARCONDES, 2011).
The present estimates had suggested that 7-10 million Nigerians are infected with Onchocerca volvulus, and approximately 40 million are at risk of the disease [1].