
Helicobacter pylori (aɪ), previously named Campylobacter pylori, is a Gram-negative, microaerophilic bacterium found in the stomach. It was identified in 1982 by Australian scientists Barry Marshall and Robin Warren with further research led by British scientist Stewart Goodwin, who found that it was present in patients with chronic gastritis and...
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http://en.wikipedia.org/wiki/Helicobacter_pylori

(from the article `digestive system disease`) ...days. Aspirin and NSAIDs taken for arthritis cause erosions in the antrum of the stomach and in some instances cause bleeding and chronic ... Chronic gastritis may be caused by prolonged use of aspirin or nonsteroidal anti-inflammatory drugs (NSAIDs), infection with Helicobacter pylori, o...
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http://www.britannica.com/eb/a-z/h/33

A type of bacterium that causes inflammation and ulcers in the stomach or small intestine. People with Helicobacter pylori infections may be more likely to develop cancer in the stomach, including MALT (mucosa-associated lymphoid tissue) lymphoma. Also called H. pylori.
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http://www.cancer.gov/dictionary?expand=H

A bacterium that has been implicated in the development of duodenal and gastric ulcers. Many gastroenterologists now advocate treating with antibiotic regimens to eradicate this microorganism in the upper gastrointestinal tract of those who suffer from recurrent or intractable peptic ulcer disease. Combinations of bismuth, metronidazole and ampicil...
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(hel″ĭ-ko-bak´ter pi-lo´ri) a gram-negative spiral bacterium that causes gastritis and peptic ulcers in humans; a history of H. pylori infection is associated with carcinoma of the stomach.
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http://www.encyclo.co.uk/local/21001

S-shaped or curved Gram negative bacteria (0.5-0.9 x 3.0 m m), non-spore forming, can be flagellate; found in human stomach. Was originally named Campylobacter pyloridis . Infection with H. pylori is now considered to be a major predisposing cause of gastric ulcers and antibiotic therapy is increasingly used.
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http://www.encyclo.co.uk/visitor-contributions.php

Type: Term Definitions: 1. a bacterial species that produces urease and causes gastritis and nearly all peptic ulcer disease of the stomach and duodenum. Infection with this organism also plays an etiologic role (probably along with dietary cofactors) in dysplasia and metaplasia of gastric mucosa, distal gastric adenocarcinoma, and non-Hodgkin lymp...
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http://www.medilexicon.com/medicaldictionary.php?t=39638

Our Helicobacter pylori Main Article provides a comprehensive look at the who, what, when and how of Helicobacter pylori Helicobacter pylori: Bacteria that cause stomach inflammation (gastritis) and ulcers in the stomach. This bacteria is the most common cause of ulcers worldwide. It is often referred to as H. pylori. H. pylori infection is usually...
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http://www.medterms.com/script/main/art.asp?articlekey=3676

Bacteria which can infect the stomach. Stomach infection with HP has been shown to be a cause of a rare type of lymphoma of the stomach. It also possibly increases the risk of the most common type of stomach cancer, (adenocarcinoma of the stomach), but this has not been conclusively proved.
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https://www.encyclo.co.uk/local/20753
(H. pylori) bacteria found in the stomach that can damage the lining of the stomach and upper small intestine, leading to ulcer formation.
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https://www.stanfordchildrens.org/en/topic/default?id=glossary---digestive-
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