In this article we will discuss about the structure and reproduction of vorticella, explained with the help of a suitable diagram. Structure of Vorticella: 1. The body is a solid inverted bell from the base of which runs a narrow stalk made of contractile elements by which the animal is permanently attached to some submerged substratum (Fig. 18.13). 2. The [...]
In this article we will discuss about the life cycle of plasmodium vivax in man and mosquito, explained with the help of suitable diagrams. Life Cycle and Reproduction: Malaria parasites of man pass through two stages in their life cycle—an extrinsic phase in Anopheles mosquito and an intrinsic phase in man (Fig. 18.9). The extrinsic phase in which sexual reproduction [...]
In this article we will discuss about the life history of entamoeba histolytica, explained with the help of suitable diagrams. Structure of Entamoeba Histolytica: The amoeba has three stages in its life cycle, viz. the trophozoite stage, the precystic stage and the cystic stage. A. The trophozoite amoeba: This is the growing or feeding stage of the parasite having the [...]