Leishmania donovani

Leish·man·i·a don·o·va'n·i

a species that is the causal agent of visceral leishmaniasis in Mediterranean and adjacent countries, the south central section of western Asia, eastern India, northern China, Kenya, Ethiopia, and the Sudan; also found in Brazil, Argentina, Colombia, and Venezuela; in the Old World, it is transmitted by various species of Phlebotomus; New World vectors are species of Lutzomyia; dogs and other carnivores are known as reservoir hosts in some areas. The intracellular amastigote form multiplies in macrophages and produces a reticuloendothelial hyperplasia grossly affecting the spleen and liver, with other lymphoid tissues being involved as well, resulting in severe hepatosplenomegaly, which usually is fatal if untreated.

Leishmania donovani

The causative agent of kala azar (visceral leishmaniasis).See also: Leishmania

单词	leishmania donovani
释义	DictionarySeeLeishmania Leishmania donovani Leishmania donovani [lēsh′man·ē·ə ¦dan·ō¦vän·ē] (invertebrate zoology) The protozoan parasite that causes kala-azar. Leishmania donovani Leish·man·i·a don·o·va'n·i a species that is the causal agent of visceral leishmaniasis in Mediterranean and adjacent countries, the south central section of western Asia, eastern India, northern China, Kenya, Ethiopia, and the Sudan; also found in Brazil, Argentina, Colombia, and Venezuela; in the Old World, it is transmitted by various species of Phlebotomus; New World vectors are species of Lutzomyia; dogs and other carnivores are known as reservoir hosts in some areas. The intracellular amastigote form multiplies in macrophages and produces a reticuloendothelial hyperplasia grossly affecting the spleen and liver, with other lymphoid tissues being involved as well, resulting in severe hepatosplenomegaly, which usually is fatal if untreated. Leishmania donovani The causative agent of kala azar (visceral leishmaniasis).See also: Leishmania
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