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Two common hookworm infections in humans are ancylostomiasis and necatoriasis, caused by the species Ancylostoma duodenale and Necator americanus respectively. Hookworm eggs are deposited in the stools of infected people. If these end up in the environment, they can hatch into larvae (immature worms), which can then penetrate the skin. One type ...
Hookworm is closely associated with poverty because it is most often found in impoverished areas, and its symptoms promote poverty through the educational and health effects it has on children. [2] It is the leading cause of anemia and undernutrition in developing countries, while being one of the most commonly occurring diseases among poor people.
Ancylostoma duodenale is a species of the roundworm genus Ancylostoma.It is a parasitic nematode worm and commonly known as the Old World hookworm. It lives in the small intestine especially the jejunum [citation needed] of definitive hosts, generally humans, [2]: 307–308 [3] where it is able to mate and mature.
Necator americanus is a species of hookworm (a type of helminth) commonly known as the New World hookworm.Like other hookworms, it is a member of the phylum Nematoda.It is an obligatory parasitic nematode that lives in the small intestine of human hosts. [1]
Eggs can be difficult to visualize in a lightly infected sample so a concentration method is generally used such as flotation or sedimentation. [6] However, the eggs of A. duodenale and N. americanus cannot be distinguished; thus, the larvae must be examined to identify these hookworms. Larvae cannot be found in stool specimens unless the ...
Hookworm species are not easily distinguished from the gross appearance. The key diagnostic feature is the appearance of their mouths. Unlike other hookworms, A. ceylanicum has a mouth with cutting plate with a sharp dorsal end that looks like a tooth and a less distinct sharp ventral end. [2]
Ancylostomiasis is a hookworm disease caused by infection with Ancylostoma hookworms. The name is derived from Greek ancylos αγκύλος "crooked, bent" and stoma στόμα "mouth". Ancylostomiasis is also known as miner's anaemia, tunnel disease, brickmaker's anaemia and Egyptian chlorosis.
Ancylostoma braziliense larvae can cause accidental infection in humans called cutaneous larval migration or creeping eruption, which produces severe itching in the skin. It is the most common skin infection in tropical region, particularly along the beaches of the Caribbean .
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