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Topic: Ascaris lumbricoides


  
 Ascaris lumbricoides and A. suum   (Site not responding. Last check: 2007-11-06)
Ascaris lumbricoides is one of the largest and most common parasites found in humans.
Such a migration is not unique to Ascaris, as its close relatives undergo a similar migration in the bodies of their hosts (view diagram of the life cycle).
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.biosci.ohio-state.edu /~parasite/ascaris.html   (643 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)

  
 Ascaris lumbricoides   (Site not responding. Last check: 2007-11-06)
Ascaris lumbricoides belongs to a group of organisms called helminths, or worms.
Ascaris eggs are resistant to chlorine, high and low pH, and UV irradiation.
However, their removal efficiency in conventional wastewater treatment plants (primary sedimentation plus activated sludge) is often less than 90%; in fact, because the eggs are concentrated in the mixed liquor, there is a potential for discharging high concencentrations of eggs in secondary effluent if secondary clarification is disturbed.
www.ce.berkeley.edu /~nelson/ce210a/Ascaris/ascaris.htm   (1169 words)

  
 Ascaris lumbricoides
Ascaris lumbricoides infections are cosmopolitan in both tropical and temperate climates.
Ascaris lumbricoides is mainly targeted to the adult worm.
lumbricoides is that people that are highly allergic to the worm and its eggs have the lowest infestation with the parasite.
www.angelfire.com /ms2/science5/Ascaris.htm   (889 words)

  
 Ascariasis -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-11-06)
A similar study in the same area showed that 73% of children working on these farms were infected with (Worm that is parasitic on the intestines of vertebrates especially roundworms and tapeworms and flukes) helminths, particularly Ascaris, probably as a result of exposure to the raw sewage.
More than 796 Ascaris lumbricoides worms weighing 550 (The 7th letter of the Roman alphabet) g [19 ounces] were recovered at autopsy from a 2-year-old fl South African girl.
The worms had caused torsion and gangrene of the (The part of the small intestine between the jejunum and the cecum) ileum, which was interpreted as the cause of death.
www.absoluteastronomy.com /encyclopedia/a/as/ascariasis.htm   (1373 words)

  
 Untitled Document   (Site not responding. Last check: 2007-11-06)
By studying the mitochondrial diversity from several populations of pig and human Ascaris, he concluded that there was little or no gene flow between the two populations of worms and he ruled out the hypothesis stating that Ascaris had a single transmission cycle in which humans and pigs are alternative hosts (Anderson 2001).
For example, in the case of Ascaris, it is possible that the host shift occurred during the Neolithic because pigs started to be domesticated by human populations with a size and a density important enough to maintain sustained epidemics.
Ascaris suum: a revision of its early migratory path and implications for human ascariasis.
www.unl.edu /Reinhard/ascaris.html   (5479 words)

  
 Bioline International Official Site (site up-dated regularly)
lumbricoides were: number of children 2-5 years old (p=0.001), level of formal education of respondents (p=0.01), reported site of defecation of children in households (p=0.02), households with children who had a recent history of diarrhea (p=0.002), and the location of households (p=0.03).
lumbricoides an egg count of 0-4,999 eggs per gram (epg) of feces is regarded as a light infection and 5,000-50,000 epg, and >50,000 epg as moderate and heavy infections respectively.
Ascaris lumbricoides intensity in relation to environmental, socioeconomic, and behavioral determinants of exposure to infection in children from southeast Madagascar.
www.bioline.org.br /request?oc01044   (5391 words)

  
 Cerebral Manifestations of Ascaris lumbricoides
Ascaris lumbricoides is the member of the nematode superfamily Ascaridoidea for which humans are the definitive host.
Conversely, an Ascaris larva was detected incidentally in the thalamus of a patient who died of acute poliomyelitis (Beautyman and Woolf, 1951).
lumbricoides is suggested as a possible source of these organisms by the presence of adult worms in the patient's stool several weeks after the onset of her symptoms.
mitpress.mit.edu /e-journals/JCN/articles/002/Tatter.html   (2199 words)

  
 ACUTE AIRWAY OBSTRUCTION DUE TO ASCARIS LUMBRICOIDES IN A VENTILATED CHILD
Ascaris lumbricoides or roundworm is a nematode causing infestation in about 1.3 billion people worldwide.
Ascaris lumbricoides is among the medically important worms belonging to the phylum Nematode (roundworms) that are the parasites of the human gastrointestinal tract.
Deposition of adult ascaris in the lung is not part of the life circle of ascaris lumbricoides.
www.e-imj.com /Vol1-No1/Vol-No1-D1.html   (1146 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   (Site not responding. Last check: 2007-11-06)
Ascaris is a common intestinal helminth estimated to infect l billion individuals worldwide.
Ascaris is soil transmitted: eggs passed in feces must embryonate in soil before becoming infective.
Transmission is by contaminative means: eggs are ingested from contaminated soil, food, fomites, etc. Infections are usually asymptomatic but heavy infection is associated with disease, particularly in children.
medinfo.ufl.edu /year2/mmid/bms5300/bugs/asclum.html   (88 words)

  
 Dr. Clark's tapeworm and ascaris program
Ascaris infests animals and humans from pole to pole of this planet.
When you kill Ascaris worms by zapping or with the herbal recipe, they are mortally wounded.
Ascaris eggs bring 3 very important pathogens that spread throughout your body: Rhizobium leguminosarum, Mycobacterium avum/intracellulare, and the common cold virus, Adenovirus.
www.drclark.net /info/tapeworm.htm   (1740 words)

  
 Define Ascaris lumbricoides : powered by In Dictionary (InDicitonary.com)   (Site not responding. Last check: 2007-11-06)
Stomach worm (Zool.), the common roundworm (Ascaris lumbricoides) found in the human intestine, and rarely in the stomach.
?.] (Zool.) A parasitic nematoid worm, especially the roundworm, Ascaris lumbricoides, often occurring in the human intestine, and allied species found in domestic animals; also commonly applied to the pinworm (Oxyuris), often troublesome to children and aged persons.
Ascaris lumbricoides n : intestinal parasite of humans and pigs [syn: common roundworm]
www.indictionary.com /define/Ascaris_lumbricoides   (505 words)

  
 Roundworms - How to rid them from the human body.
Ascaris are parasitic worms in the intestines of various terrestrial animals, chiefly herbivores.
The species Ascaris lumbricoides is probably the most familiar parasite in humans.
The intestinal roundworm Ascaris lumbricoides infection in humans follows the ingestion of Ascaris eggs that have contaminated foods or soil.
www.thelifetree.com /roundworms.htm   (512 words)

  
 IngentaConnect Ascaris lumbricoides infection is associated with protection from...   (Site not responding. Last check: 2007-11-06)
IngentaConnect Ascaris lumbricoides infection is associated with protection from...
Ascaris lumbricoides infection is associated with protection from cerebral malaria
Comparing cerebral malaria with mild controls, Ascaris lumbricoides was associated with a protective adjusted odds ratio (OR) of 0.58 (0.32–1.03) P = 0.06, for coinfection with Ascaris and Necator americanus, OR = 0.39 (0.17–0.88) P = 0.02.
www.ingentaconnect.com /content/bsc/pimm/2000/00000022/00000003/art00284   (322 words)

  
 Genetic analysis of susceptibility to infection with Ascaris lumbricoides -- Williams-Blangero et al. 60 (6): 921 -- ...
Genetic analysis of susceptibility to infection with Ascaris lumbricoides -- Williams-Blangero et al.
Epidemiologic studies of helminthic infections have shown that susceptibility to these parasites frequently aggregates in families, suggesting the possible involvement of genetic factors.
This paper presents a genetic epidemiologic analysis of Ascaris lumbricoides infection in the Jirel population of eastern Nepal.
www.ajtmh.org /cgi/content/abstract/60/6/921   (328 words)

  
 Ascaris lumbricoides Infection Is Associated with Increased Risk of Childhood Asthma and Atopy in Rural China -- Palmer ...
Ascaris lumbricoides Infection Is Associated with Increased Risk of Childhood Asthma and Atopy in Rural China -- Palmer et al.
Ascaris lumbricoides Infection Is Associated with Increased Risk of Childhood Asthma and Atopy in Rural China
Ascaris lumbricoides and the human immunogenic response: enhanced IgE-mediated reactivity to common inhaled allergens.
ajrccm.atsjournals.org /cgi/content/full/165/11/1489   (3512 words)

  
 Natural Immunity to Ascaris lumbricoides Associated with Immunoglobulin E Antibody to ABA-1 Allergen and Inflammation ...
Ascaris response, and it is notable that the magnitude of the
The effect of immunization of pigs with Ascaris suum cuticle components on the development of resistance to parenteral migration during a challenge infection.
Antibody responses to antigens of Ascaris lumbricoides in a case-control study of persistently heavily infected Bangladeshi children.
iai.asm.org /cgi/content/full/67/2/484   (4702 words)

  
 eMedicine - Ascaris Lumbricoides : Article Excerpt by: Eric L Weiss, MD, DTM&H   (Site not responding. Last check: 2007-11-06)
Background: Estimates suggest that 1 in 4 of the world’s population, or more than 1 billion people, are infected with the intestinal roundworm Ascaris lumbricoides.
Pathophysiology: The adult A lumbricoides is a large, cream-colored worm.
Mortality/Morbidity: Infection with A lumbricoides is very rarely fatal, but death may occur because of mechanical intestinal obstruction.
www.emedicine.com /emerg/byname/ascaris-lumbricoides.htm   (414 words)

  
 Fetal response to maternal ascariasis as evidenced by anti ascaris lumbricoides IgM antibodies in the cord blood   (Site not responding. Last check: 2007-11-06)
The immune response of the fetus to maternal infection with Ascaris lumbricoides was studied by estimating IgG and IgM antibodies, using ELISA, in 28 paired samples of mother and cord blood.
lumbricoides adult male, cuticle and unembryonated egg antigen was used.
IgM antibodies to Ascaris adult male antigen were present in 27 out of 28 maternal sera and 1 out of 28 cord sera.
www.trc-chennai.org /Publications/pub416.htm   (222 words)

  
 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   (817 words)

  
 Ascaris Cluster Analysis   (Site not responding. Last check: 2007-11-06)
Ascaris suum is an intestinal roundworm of pigs.
Its life cycle is identical to that of Ascaris lumbricoides and therefore serves as a useful model for this imporatnt human parasite.
If a human ingests eggs of Ascaris suumthe larvae will migrate to the lungs and die.
nema.cap.ed.ac.uk /nematodeESTs/Ascaris/Ascaris.html   (141 words)

  
 [No title]
It was actually Linnaeus, who renamed Ascaris and gave it its current name.
          Ascariasis is the disease caused by the parasite Ascaris lumbricoides.
Ascaris infections are concentrated in the developing world.
www.stanford.edu /class/humbio103/ParaSites2002/ascariasis   (2238 words)

  
 Nematodes - Information / Diagnosis / Treatment / Prevention
Ascaris Infection - CDC Division of Parasitic Diseases Description: Includes factsheets on organism and the disease it causes, news releases, and reports.
Ascaris lumbricoides Description: Includes images, life cycle, and the pathology the nematode causes.
Ascaris lumbricoides and Trichuris trichiura: Bad Bug Book Description: Features cause, symptoms, diagnosis, complications, associated foods, target populations, and outbreaks.
www.healthcyclopedia.com /infectious-diseases/parasitic/nematodes.html   (883 words)

  
 Ascaris lumbricoides (lombrices)
El Ascaris lumbricoides es un nematodo que produce una de las parasitosis de mayor difusión en el mundo: la ascariasis.
Los huevos fecundados son elípticos, miden de 55 a 75 Mm de largo y 35 a 50 Mm de ancho; poseen una gruesa membrana externa, de superficie mamelonada, color café, debido a la impregnación en la misma de pigmentos biliares.
Los huevos de Ascaris son ovoides, sin segmentar en el momento de la postura, y miden 55 a 75 pm de largo por 35 a 50 Mm de ancho.
www.drrondonpediatra.com /ascaridiasis.htm   (1271 words)

  
 ZYGOTE FORMATION IN ASCARIS LUMBRICOIDES (NEMATODA) -- Foor 39 (1): 119 -- The Journal of Cell Biology
ZYGOTE FORMATION IN ASCARIS LUMBRICOIDES (NEMATODA) -- Foor 39 (1): 119 -- The Journal of Cell Biology
Ultrastructural observations of the in utero sperm of Ascaris
lumbricoides reveal that it consists of a relatively clear,
www.jcb.org /cgi/content/abstract/39/1/119   (186 words)

  
 Effects of treatment for intestinal helminth infection on growth and cognitive performance in children: systematic ...   (Site not responding. Last check: 2007-11-06)
Effect of Ascaris lumbricoides infestation on growth of children.
Stephenson LS, Latham MC, Adams EJ, Kinoti SN, Pertiet A. Physical fitness, growth and appetite of Kenyan school boys with hookworm, Trichuris trichiura and Ascaris lumbricoides infections are improved four months after a single dose of albendazole.
Ascaris and growth rates: a randomized trial of treatment.
www.bmj.com /cgi/content/full/320/7251/1697   (4035 words)

  
 eMJA: Going with the flow: Ascaris lumbricoides in a T-tube   (Site not responding. Last check: 2007-11-06)
A roundworm (Ascaris lumbricoides) trapped in a T-tube
A dead Ascaris lumbricoides roundworm was trapped in the T-tube.
lumbricoides, the most common roundworm infecting humans, is endemic in areas where sanitation standards are poor.
www.mja.com.au /public/issues/181_11_061204/bas10230_fm.html   (312 words)

  
 Parasitology   (Site not responding. Last check: 2007-11-06)
However, many parasites can be transferred from animals to humans (zoonosis) or vice versa.
Parasitologists study multicellular parasites such as ascaris lumbricoides or flukes or unicellular eukaryotes such as malaria or leishmaniasis.
In general, prokaryotes fall under the field of bacteriology rather than parasitology.
www.sciencedaily.com /encyclopedia/parasitology   (131 words)

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