单词 | onchocerciasis |
释义 | Word Frequency onchocerciasis(ˌɒŋkəʊsəˈkaɪəsɪs) nounWord forms: plural -ses (-siːz) 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 blindnessWord origin C20: from Onchocerca, the genus of worms + -iasis |
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