hookworms defined in 1951 yearhookworms - hookworms;
hookworms - Nematode parasites of man (Necator americanus and Ancylostoma duodenale). Of very great medical and social importance. Common in parts of Africa, India, China, East Indies, South America, southern parts of North America. About 1 in. long; live in intestine; eggs, liberated in faeces, giving rise in suitable conditions to active larvae which penetrate human skin, chiefly of feet. Heavy infections cause anaemia and physical and mental retardation.
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