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A. lumbricoides was originally called Lumbricus teres and was first described in detail by Edward Tyson in 1683. [8] The genus Ascaris was originally described as the genus for Ascaris lumbricoides by Carl Linnaeus in 1758. [9] The morphologically similar Ascaris suum was described from pigs by Johann August Ephraim Goeze in 1782. [9]
An estimated 807 million–1.2 billion people are infected with A. lumbricoides worldwide. [2] People living in tropical and subtropical countries are at greater risk of infection. Infection by Ascaris lumbricoides is known as ascariasis. [3] It has been proposed that Ascaris lumbricoides and Ascaris suum (pig roundworm) are the same species. [4]
Soil-transmitted helminthiasis is a collective name for the diseases caused by ascaris, whipworm and hookworms in humans. It includes species-specific diseases such as [citation needed] Ascariasis, which is caused by Ascaris lumbricoides; Hookworm diseases (ancylostomiasis and necatoriasis), which are caused by Necator americanus and ...
Ascariasis is a disease caused by the parasitic roundworm Ascaris lumbricoides. [1] Infections have no symptoms in more than 85% of cases, especially if the number of worms is small. [1] Symptoms increase with the number of worms present and may include shortness of breath and fever at the beginning of the disease. [1]
In the case of Ascaris lumbricoides (giant roundworm), which has been considered the most resistant and common helminth type, fertilized eggs deposited in soil are resistant to desiccation but are, at this stage of development, very sensitive to environmental temperatures: The reproduction of a fertilized egg within the eggshell develops at an ...
This Chromadorea nematode (or roundworm-) related article is a stub. You can help Wikipedia by expanding it.
Nematodes causing such zoonotic infections are Baylisascaris procyonis, [2] Toxocara canis, [3] Toxocara cati, [3] and Ascaris suum. [4] These nematodes can infect but not mature in humans after migrating through the intestinal wall, travel with the bloodstream to various organs, and cause inflammation and damage.
The male and female pinworms mate in the ileum (i.e., last part of the small intestine), [19] whereafter the male pinworms usually die, [23] and are passed out with stool. [24] The gravid female pinworms settle in the ileum , caecum (i.e., beginning of the large intestine ), appendix and ascending colon , [ 19 ] where they attach themselves to ...