Haemoflagellates has two stages in its life cycle: A. the amastigote form, occurring in man and B. the promastigote form occurring in sand-fly. A. Life cycle in Man: (a) Infection: L. donovani is transmitted to man by the sand-fly, Phlebotomus argentipes. In case of this parasite sand-fly acts as vector. The insect vector which has fed on some suitable fruit [...]
In this article we will discuss about: 1. Definition of Protozoology 2. Morphology of Protozoology 3. Life Cycle. Definition of Protozoology: The science of the study of the protozoa is called Protozoology. The term protozoa has been derived from the two Greek words (protos—first, zoon-animal). Protozoans are the first group of organized but simplest animals in the animal kingdom. Modern [...]
Comparative account of four species of human infecting malarial parasite: 1. P. Vivax: i. Geographical distribution: In tropical, subtropical and warmer temperate regions. ii. Duration of pre-erythrocytic schizogony: 10-14 days iii. No. of crypto- zoites formed per schizont: 10,000-12,000 (approx.) iv. Incubation period: 14 days v. Duration of erythrocytic schizogony: 2 days vi. Form in peripheral blood during erythrocytic schizogony: [...]