noun \lēsh-ˈma-nē-ə\

Definition of LEISHMANIA

:  any of a genus (Leishmania) of flagellate protozoans that are parasitic in the tissues of vertebrates; broadly :  an organism resembling the leishmanias that is included in the family (Trypanosomatidae) to which they belong
leish·man·ial \-nē-əl\ adjective


New Latin, from Sir W. B. Leishman †1926 British medical officer
First Known Use: 1914


noun \lēsh-ˈman-ē-ə, -ˈmān-\   (Medical Dictionary)

Medical Definition of LEISHMANIA

capitalized : a genus of kinetoplastid flagellate protozoans of the family Trypanosomatidae that are parasitic in the tissues of vertebrates, are transmitted by sand flies (genera Phlebotomus and Lutzomyia), occur parasitically as a minute ovoid or spherical nonflagellated body with a definite kinetoplast and usually an intracellular axoneme, and include one (L. donovani) causing kala-azar and another (L. tropica) causing oriental sore
: any protozoan of the genus Leishmania; broadly : any protozoan of the family Trypanosomatidae having the typical intracellular form of a leishmania
leish·man·ial \-ē-əl\ adjective


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