In this article we will discuss about the life history of Entamoeba histolytica (explained with diagram). Amoebiasis or more correctly it should be called as amoebic dysentery is caused by a protozoan parasite known as Entamoeba histolytica. This kind of protozoan parasite resides in the mucous and sub-mucous layer of the large intestine specially at the iliocaecal junction and cause [...]
Transmission of E. histolytica from man to man occurs through its encysted stage and infection is effected through the ingestion of these cysts in food or drinks. It is to be noted that mature quadrinucleate cysts are the infective forms of this parasite. The contamination of food and drinks is occurred by: i. Faecal contamination of drinking water, vegetables and [...]
In this article we will discuss about: 1. Systematic Position of Leishmania Donovani 2. Speciation of Leishmania Donovani 3. Types 4. Habits and Habitat 5. Vectors 6. Symptoms and Pathogenesis 7. Clinical Features 8. Prophylaxis. Leishmania is an important pathogenic zoo-flagellate genus closely related to Trypanosoma. The genus Leishmania was created by Ross in 1903. The species L. donovani was [...]