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 [...]
In this article we will discuss about the external morphology of roundworm or Ascaris. Ascaris resembles an ordinary earthworm and is the largest intestinal nematode parasitising man. It is milk-white in colour but presents a reddish-yellow shade. Body is elongated, cylindrical, and gradually tapering at both ends. The females are usually 20-25 cm in length and 5 mm in diameter [...]
In this article we will discuss about the various stages involved in the life cycle of roundworm which is otherwise known as Ascaris lumbricoides (explained with diagram). Ascaris lumbricoides is one of the most familiar endoparasites of man. It has also been reported from sheep, pigs, cattle etc. It inhabits the small intestine, more frequently of children than of adults, [...]