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Topic: Ascaris


In the News (Sun 8 Nov 09)

  
  US FDA/CFSAN - Bad Bug Book - Ascaris lumbricoides and Trichuris trichiura
Humans worldwide are infected with Ascaris lumbricoides and Trichuris trichiura; the eggs of these roundworms (nematode) are "sticky" and may be carried to the mouth by hands, other body parts, fomites (inanimate objects), or foods.
Ascariasis is also known commonly as the "large roundworm" infection and trichuriasis as "whip worm" infection.
Both infections are diagnosed by finding the typical eggs in the patient's feces; on occasion the larval or adult worms are found in the feces or, especially for Ascaris sp., in the throat, mouth, or nose.
vm.cfsan.fda.gov /~mow/chap30.html   (826 words)

  
  Ascaris Lumbricoides & Ascariasis Information and Prevention
Ascaris Lumbricoides (Large Intestinal Roundworms) are common to the earthworm and range in length from 6-13 inches.
Ascaris Lumbicoides causes a common infection called Ascariasis, which there are 1500 million cases worldwide.
Ascaris Lumbicoides eggs are transmitted by human feces, typically from hand to mouth, although, some countries may use human feces as fertilizer.
www.vaxa.com /roundworms-ascaris-lumbricoides.cfm   (209 words)

  
 Lander University | Ascaris
Ascaris suum, the pork roundworm, is a large, cosmopolitan species reaching lengths up to 50 cm (Fig 22-21).
Ascaris are formed by fusion of the six lips of the ancestral nematodes (Fig 22-8A).
Ascaris subsists chiefly on monomers (sugars and amino acids) from the intestinal contents of its host.
webs.lander.edu /rsfox/invertebrates/ascaris.html   (5025 words)

  
 Ascaris   (Site not responding. Last check: )
The infective stage of Ascaris, is the egg containing an L2 larva, which is ingested by the host and hatches in the duodenum.
Secondary complications can arise with ascaris infections because sometimes, when the worms are undergoing this migration they appear to get lost and start wandering through other organs such as the brain, bile duct, pancreas or appendix.
Ascaris proteins are very immunogenic and people can become very sensitive to the worm and have strong allergic reactions.
martin.parasitology.mcgill.ca /jimspage/biol/ascaris.htm   (569 words)

  
 Division of Parasitic Diseases - Ascaris Infection Fact Sheet
Ascaris is a worm that lives in the small intestine.
Occasionally, a pig Ascaris infection can be spread to humans; this occurs when infective eggs, found in the soil and manure, are ingested.
Infection with Ascaris worms is generally light and is not considered an emergency.
www.cdc.gov /ncidod/dpd/parasites/ascaris/factsht_ascaris.htm   (636 words)

  
 TAPEWORM Ascaris killing parasites
Ascaris lumbricoides is one of the largest and most common parasites found in humans.
Ascaris is notorious for its reputation to migrate within the small intestine, and when a large worm begins to migrate there is not much that can stop it.
Ascaris seems to be especially sensitive to anesthetics, and numerous cases have been documented where patients in surgical recovery rooms have had worms migrate from the small intestine, through the stomach, and out the patient's nose or mouth.
www.webspirit.com /godworlds/body/ascaris.htm   (2919 words)

  
 US FDA/CFSAN - Bad Bug Book - Ascaris lumbricoides and Trichuris trichiura
Humans worldwide are infected with Ascaris lumbricoides and Trichuris trichiura; the eggs of these roundworms (nematode) are "sticky" and may be carried to the mouth by hands, other body parts, fomites (inanimate objects), or foods.
Ascariasis is also known commonly as the "large roundworm" infection and trichuriasis as "whip worm" infection.
Both infections are diagnosed by finding the typical eggs in the patient's feces; on occasion the larval or adult worms are found in the feces or, especially for Ascaris sp., in the throat, mouth, or nose.
www.cfsan.fda.gov /~mow/chap30.html   (826 words)

  
 Ascariasis definition - Medical Dictionary definitions of popular medical terms easily defined on MedTerms
Ascariasis: Infection with Ascaris lubricoides, the intestinal roundworm, the most common worm infection in humans.
Infection is more likely if pig feces is used as fertilizer in the garden; crops then become contaminated with ascaris eggs.
Ascaris infection is usually treated for 1-3 days with albendazole, mebendazole, or pyrantel pamoate.
www.medterms.com /script/main/art.asp?articlekey=18523   (449 words)

  
 Ascaris suum Nematode EST Project
Ascaris suum has been the focus of research on the nematode neuromuscular system for over a century.
One of its attractions is the ability to expose and measure electrophysiologically from and test neurotransmitters and drugs directly on nerves and muscles in situ and in isolated preparations.
Ascaris adults are 15 cm long: this size will permit us to construct and sample from tissue-specific libraries.
www.sanger.ac.uk /Projects/A_suum   (178 words)

  
 Ascariasis Round Worm Factsheet
The name Ascaris lumbricoides reflects the resemblance of this intestinal roundworm to the common earthworm known as Lumbricus.
Ranging in length from six to 13 inches, the female worm may grow to be as thick as a pencil.
Ascaris infections are common throughout the world in both temperate and tropical areas.
www.comeunity.com /adoption/health/parasites/ascaris-NIH.html   (543 words)

  
 Division of Parasitic Diseases - Ascaris Infection Fact Sheet
An ascarid is a worm that lives in the small intestine.
If you are heavily infected, you may have abdominal pain.
In the United States, ascaris infections are generally treated for 1-3 days with medication prescribed by your health care provider.
www.medhelp.org /NIHlib/GF-515.html   (544 words)

  
 Ascaris lumbricoides
In addition to the species in man, Ascaris lumbricoides, a morphologically indistinguishable species Ascaris suum is found in the pig.
The adult Ascaris lumbricoides are large white, or pinkish-white, cylindrical roundworms, slightly narrower at the head.
Severe symptoms of Ascaris infection may be associated with the migrating larvae, particularly in the lungs.
www.path.cam.ac.uk /~schisto/Nematodes/Ascaris.html   (1037 words)

  
 Ascaris Lumbricoides Management - Patient UK
Ascaris Lumbricoides Management - Patient UK PatientPlus articles are written for doctors and so the language can be technical.
However, some people find that they add depth to the articles found in the other sections of this website which are written for non-medical people.
Most individuals are asymptomatic but the nematodes can cause bowel obstruction, various other gastrointestinal problems, and respiratory symptoms (due to migration of the larvae to the pulmonary bed.
www.patient.co.uk /showdoc/40000475   (1242 words)

  
 Excelsior Sentinel, Inc. - Ascaris suum
Sentinel Chambers™ are loaded with 100,000 Ascaris eggs and wastewater or biosolids taken directly from the treatment plant to be tested.
Fine mesh screens on the ends of the Sentinel Chamber™ hold the eggs within the chamber and at the same time allow the interior to equilibrate with the surrounding environment.
The Ascaris suum eggs used have received no treatment with harmful chemicals and are recovered from the feces of naturally infected pigs.
www.excelsior-sentinel.com /ascaris.html   (820 words)

  
 Expression, characterization, and crystallization of oxygen-avid Ascaris hemoglobin domains -- Kloek et al. 268 (24): ...
Expression, characterization, and crystallization of oxygen-avid Ascaris hemoglobin domains -- Kloek et al.
The Ascaris perienteric hemoglobin is 10(4) times more oxygen-avid than
Hydrogen Bonding of Tyrosine B10 to Heme-bound Oxygen in Ascaris Hemoglobin
www.jbc.org /cgi/content/abstract/268/24/17669   (369 words)

  
 NEJM -- Ascaris lumbricoides Blocking the Common Bile Duct
NEJM -- Ascaris lumbricoides Blocking the Common Bile Duct
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Biliary obstruction is an important complication of Ascaris lumbricoides infestation.
content.nejm.org /cgi/content/full/352/5/e4   (189 words)

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