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 tis article we will discuss about the male and female reproductive organs of roundworm. Male Reproductive Organs: The male reproductive organs are unpaired, monodelphic and lie in the posterior half of the body. The testis is a long and single thread like structure occupying the anterior part of pseudocoel. Presence of a single testis produces a condition known as [...]