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ankylostomiasis

Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Alternative form of ancylostomiasis.

from the GNU version of the Collaborative International Dictionary of English

  • n. A disease due to the presence of the parasites Agchylostoma duodenale, Uncinaria (subgenus Necator) americana, or allied nematodes, in the small intestine. When present in large numbers they produce a severe anæmia by sucking the blood from the intestinal walls. Called also miner's anæmia, tunnel disease, brickmaker's anæmia, Egyptian chlorosis.

from The Century Dictionary and Cyclopedia

  • n. Same as ancylostomiasis.

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  • ANKYLOSTOMIASIS, or Anchylostomiasis (also called helminthiasis, "miners' anaemia," and in Germany Wurmkrankheit), a disease to which in recent years* much attention has been paid, from its prevalence in the mining industry in England, France, Germany, Belgium, North Queensland and elsewhere.

    This disease is due to the presence in the intestine of nematoid worms (Ankylostoma duodenalis) from one-third to half an inch long. The symptoms include pain in the stomach, capricious appetite, pica (or dirt-eating), obstinate constipation followed by diarrhoea, palpitations, small and unsteady pulse, coldness of the skin, pallor of the skin and mucous membranes, diminution of the secretions, loss of strength and, in cases running a fatal course, dysentery, haemorrhages and dropsies. The parasites, which cling to the intestinal mucous membrane, draw their nourishment from the blood-vessels of their host, and as they are found in hundreds in the body after death, the disorders of digestion, the increasing anaemia and the consequent dropsies and other cachectic symptoms are easily explained.

    The disease was first known in Europe among the Italian workmen employed on the St Gotthard tunnel. In 1896, though previously unreported in Germany, 107 cases were registered there, and the number rose to 295 in 1900, and 1030 in 1901. In England an outbreak at the Dolcoath mine, Cornwall, in 1902, led to an investigation for the home office by Dr Haldane F.R.S. (see especially the Parliamentary Paper, numbered Cd. 1843), and since then discussions and inquiries have been frequent.

    The parasites thrive in an environment of dirt, and the main lines of precaution are those dictated by sanitary science. Malefern, santonine, thymol and other anthelmintic remedies are prescribed.

    *: this account is taken from a 1911 encyclopedia.

    July 24, 2008