In this article we will discuss about the life cycle of trypanosoma gambiense. Trypanosoma gambiense is digenetic; i.e., it completes its life cycle in two hosts. The primary or definitive host is man. The mammals, like pigs, buffaloes, antelopes often act as reservoir hosts harbouring the parasite. The intermediate host is blood sucking insect called tsetse fly (Glossina palpalis). Life [...]
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 [...]
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 [...]