In this article we will discuss about the definition and classification of protozoa. Definition of Protozoa: Protozoa are minute animalcules visible only under the microscope. About 50,000 species are known so far. A protozoan is an independent eukaryotic cell i.e. a complete unicellular organism. The branch of study is called Protozoology. It was Leeuwenhoek (1677) who first of all studied [...]
Here is a list of seven major protozoan diseases: 1. Toxoplasma Gondii 2. Plasmodium 3. Balantidium Coli 4. Trichomonas Vaginalis 5. Giardia Lamblia 6. Trypanosoma 7. Entamoeba Histolytica. Protozoan Disease # 1. Toxoplasma Gondii: Toxoplasma gondii is an intracellular parasitic sporozoan (Fig. 24.1). It causes a disease known as toxoplasmosis when transmitted either from soil or other animals (e.g. domestic [...]
In this article we will discuss about the life cycle of plasmodium vivax. Malaria is associated with a mosquito vector, Anopheles. The life cycle of Plasmodium is very complex. The mosquito carries the inocula of P. vivax where it multiplies and produces the sporozoites. After mosquito bite, the sporozoites present in sahva are dehvered in the blood of human. Thirty [...]