PATHOLOGY

Detailed explanation-1: -Parasites-Ascariasis . An estimated 807 million–1.2 billion people in the world are infected with Ascaris lumbricoides (sometimes called just Ascaris or ascariasis). Ascaris, hookworm, and whipworm are parasitic worms known as soil-transmitted helminths (STH).

Detailed explanation-2: -Roundworms are a group of parasites that includes pinworms and ascariasis. These tiny organisms enter your body, where they often live in your digestive system and cause problems. You can get roundworms by coming into contact with roundworm eggs or larvae.

Detailed explanation-3: -nematode, also called roundworm, any worm of the phylum Nematoda. Nematodes are among the most abundant animals on Earth.

Detailed explanation-4: -All nematode species are endoparasitic. They are called roundworms because they appear circular in cross-section. It includes Ascaris (Round worm) and Wuchereria (Filarial worms), Enterobius (Pin worm), Ancylostoma (Hook worm).