Black sickness –>
visceral leishmaniasis
a chronic disease, occurring in india, Assam, china, the area formerly known as the Mediterranean littoral areas, the middle east, india, Pakistan, china, south and Central America, asia, Africa caused by leishmania donovani and transmitted by the bite of an appropriate species of sandfly of the genus phlebotomus or Lutzomyia; the organisms grow and multiply in macrophages, eventually causing them to burst and liberate amastigote parasites which then invade other macrophages; proliferation of macrophages in the bone marrow causes crowding out of erythroid and myeloid elements, resulting in leukopenia, and anaemia, splenomegaly, and hepatomegaly which are characteristic, along with enlargement of lymph nodes; fever, fatigue, malaise, and secondary infections also occur; different strains of leishmaniasis donovani occur; leishmaniasis infantum in Eurasia, leishmaniasis chagasi in latin america.
Synonym: assam fever, black sickness, burdwan fever, cachectic fever, dumdum fever, kala azar, tropical splenomegaly.
Dictionary > Black sickness
You will also like...
Plant Cell Defense
Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..
Developmental Biology
Developmental biology is a biological science that is primarily concerned with how a living thing grows and attains matu..
Physiological Homeostasis
Homeostasis is essential to maintain conditions within the tolerable limits. Otherwise, the body will fail to function p..
Independent Assortment and Crossing Over
This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. Read..
Passive and Active Types of Immunity
Lymphocytes are a type of white blood cell capable of producing a specific immune response to unique antigens. In thi..
Human Biology – Food and Digestion
This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..