NCIt definition : A parasitic infection caused by protozoa of the genus Leishmania. It is transmitted
to humans via the bite of sandflies. There are three main forms of the disease: cutaneous,
mucocutaneous, and visceral leishmaniasis. Cutaneous leishmaniasis causes skin ulcers;
mucocutaneous leishmaniasis causes destructive lesions of the mucous membranes of
the nose, mouth, and throat; visceral leishmaniasis is the most severe form of the
disease and is manifested with anemia, weight loss, hepatomegaly and splenomegaly.;
Alternative definition : NICHD: A protozoan infection that is caused by members of the genus Leishmania, which
is transmitted to humans via the bite of sandflies. There are three main forms of
the disease: cutaneous, mucocutaneous, and visceral.;