Ancylostoma adults living in the intestinal cavity with teeth attached to the intestinal mucosa. 9000 -10 000 female worms produce eggs a day. Female worm has a length of about 1 cm, about 0.8 cm in male worms, adult worms shaped like the letter S or C and in the mouth there is a pair of teeth. Ancylostoma duodenale are found in the area Mediterenian, India, China and Japan. Necator americanus found in tropical regions of Africa, Asia and the Americas
Ancylostoma are parasitic worms that live in the small intestine, may be a mammal such as a cat, dog or human. There are two species of hookworms commonly infect humans, Ancylostoma duodenale and Necator americanus. Necator americanus is found in America, Sub-Saharan Africa, Southeast Asia, China, and Indonesia, Aucyclostoma duodenale more in Middle East, North Africa, India, and southern Europe. About a quarter of the world's population infected with hookworm. Infection most commonly found in warm and humid, and the level of cleanliness that bad.