A hookworm, closely resembling but smaller than the Ancylostoma duodenale. (See ANCYLOSTOMIASIS.)
n. a genus of *hookworms that live in the small intestine. The human hookworm, N. americanus, occurs in tropical Africa, Central and South America, India, and the Pacific Islands. The worm possesses two pairs of sharp cutting plates inside its mouth cavity, which enable it to feed on the blood and tissues of the gut wall. Compare Ancylostoma.... necator