NCIt definition : A species of parasitic trypanosomatid protozoa in the family Trypanosomatidae. L.
donovani causes both visceral and dermal leishmaniasis. This species is the primary
cause of visceral leishmaniasis in the Indian subcontinent and East Africa.;
Alternative definition : CDISC: Any unicellular, eukaryotic organism that can be assigned to the species Leishmania
donovani.;