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Content: Protozoa, Trematoda, Cestoda and Nematoda. Nematodes include common roundworm, hookworm, whipworm, pinworm, heart worm, etc. The following table gives details of different types of common worms parasites in human body along with their pictures. Roundworm
Round worms are common, approximately 1000 million people are infected worldwide with round worms. Round worms can be up to 15 inch long, 200 000 eggs a day. Round worms can cause pain in upper abdominal, asthma, eye pain, insomnia, rashes. They can cause blockages in the intestinal tract, loss of appetite, appendicitis, abscesses in the liver, etc. Ascaris worm
Ascaris is an intestinal parasite of humans which is the most common human worm infection. Adults of Ascaris lumbricoides are large roundworms,15-31 cm long with a curved tail (see the picture), while females are 20-35 cm long with a straightened tail. Ascaris hardly moves.