Any of several parasitic worms which infest the mammalian stomach and intestines, especially a nematode. Ascaris lumbricoides is the "large roundworm" of humans, growing to a length of up to 35 cm (14 in). It is one of several species of Ascaris. An ascarid nematode of the phylum Nematoda, it is the most common parasitic worm in humans.

Related Herb: Ramsons