An acute or chronic disease of cattle, dogs, pigs, horses, sheep, and goats in sub-Saharan Africa; marked by fever, anemia, and cachexia, varying in severity with the parasite and the host. A collective term for diseases caused by the protozoan parasites Trypanosoma brucei brucei, T. congolense, and T. vivax.

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na·ga·na also n'ga·na nə-'gä-nə n a highly fatal disease of domestic animals in tropical Africa caused by a flagellated protozoan of the genus Trypanosoma and transmitted by tsetse and other biting flies broadly trypanosomiasis of domestic animals

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na·ga·na (nah-gahґnah) [Zulu, from ngana feeble, weak] any of various tsetse fly–transmitted types of trypanosomiasis in domestic animals in Africa, including cattle, horses, sheep, goats, dogs, pigs, and camels. It may be acute or chronic and its pathogenicity and symptoms vary according to factors such as the trypanosome involved and the species infected. Anemia, fever, and emaciation occur in many species, corneal opacities in horses and dogs, and abortion in cows.

Medical dictionary. 2011.

Look at other dictionaries:

  • Nagana — Nagana, also called nagana pest or Animal African Trypanosomiasis, is a disease of vertebrate animals. The disease is caused by trypanosomes of several species in the genus Trypanosoma . The trypanosomes infect the blood of the vertebrate host,… …   Wikipedia

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  • Nagana — Na*ga na (n[.a]*g[aum] n[.a]), n. [Prob. native name.] (Med.) A disease of horses and other domestic animals, transmitted by the tsetse fly; any trypanosomiasis, especially the variety caused by {Trypanosoma brucei}. [South Africa] [Webster 1913… …   The Collaborative International Dictionary of English

  • Nagana — Nagana, s. Trypanosomen …   Meyers Großes Konversations-Lexikon

  • Nagana — Nagana, die Tsetsekrankheit (s. Tsetse) …   Kleines Konversations-Lexikon

  • nagana — s. f. Doença do sono na África Austral …   Dicionário da Língua Portuguesa

  • nagana — nàgana ž DEFINICIJA pat. zarazna bolest kopitara i drugih sisavaca u Africi koju prenosi ce ce muha ETIMOLOGIJA engl. ← zulu unukane …   Hrvatski jezični portal

  • nagana — [nə gä′nə] n. [< Zulu u(lu) nakane] an infectious disease affecting horses and cattle in tropical Africa, caused by a trypanosome (Trypanosoma brucei) transmitted by the bite of infected tsetse flies …   English World dictionary

  • Nagana — Na|ga|na 〈f. 10; unz.〉 eine afrikan. Viehseuche [Zuluspr., „Viehseuche“] * * * Nagana   [afrikanisch] die, , Ngana, Tsetsekrankheit, in Afrika, besonders südlich der Sahara, verbreitete, oft seuchenhafte, mit Fieber, Anämie und Entkräftung… …   Universal-Lexikon

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