Thread worms are white and threadlike, and live in the lower part of the bowel, where they cause intense itching. They may exist in thousands. Children are the most common sufferers.
This is a minute worm almost invisible to the naked eye. Its name implies that it has a bent mouth which contains 4 teeth. It lives in the small intestine, attached by its mouth to the mucous membrane from which it sucks blood.
It is commonly, known as ‘filaria worm’ found in the lymphatic vessels, muscular tissues and glands of man. The worm is distributed in all tropical, sub-tropical and temperate countries and causes filariasis.