<Ul> <Li> Ascaris lumbricoides </Li> <Li> Ascaris suum </Li> </Ul> <P> Ascaris is a genus of parasitic nematode worms known as the "small intestinal roundworms", which is a type of helminth (parasitic worm). One species, Ascaris lumbricoides, affects humans and causes the disease ascariasis . Another species, Ascaris suum, typically infects pigs . Parascaris equorum, the equine roundworm, is also commonly called an "Ascarid". </P> <P> Their eggs are deposited in feces and soil . Plants with the eggs on them infect any organism that consumes them . A. lumbricoides is the largest intestinal roundworm and is the most common helminth infection of humans worldwide . Infestation can cause morbidity by compromising nutritional status, affecting cognitive processes, inducing tissue reactions such as granuloma to larval stages, and by causing intestinal obstruction, which can be fatal . </P> <Ul> <Li> Adult: cylindrical shape, creamy white or pinkish in color </Li> <Li> Male: average 15--30 cm (6 - 12 inches) and is more slender than female </Li> <Li> Female: average 20--35 cm (8 - 14 inches) in length </Li> </Ul>

Any of the nematodes of the ascarididae family