Helminths or worms are animals belonging to the Subkingdom, Metazoa, consisting of many cells. The term helminth, which is derived from the Greek words helmins or helminthos, a worm, is now-a-days usually applied only to the parasitic and non-parasitic species. In a more restricted sense the name worm, or preferably helminth, is applied to a few phyla of animals, all [...]
In this article we will discuss about the external morphology of liver flukes. i. It is dorsoventrally flattened, oval in shape like a leaf and faint brownish in colour. It may reach a size of 3 cm in length and 1.5 cm in breadth. ii. The anterior body part is broader than the posterior part which is blunt in outline. [...]
In this article we will discuss about the life history of guinea worm (Dracunculus medinensis). Dracunculus is digenetic i.e. it requires two hosts to complete its life cycle. One is the primary host, the man which harbours the adult parasite in the subcutaneous tissue. The other is the intermediate host, the Cyclops in which the embryos undergo certain developmental changes [...]