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 acquired from contaminated food and water and through person to person spread. The infection is common in crowded living conditions with poor sanitation. In countries with poor sanitation, 90% of the adult population can be infected. In the U.S., 30% of the adult population is infected. One out of six patients with H. pylori infection develops ulcers of the duodenum or the stomach. This bacteria is also believed to be associated with stomach cancer and a rare type of lymph gland tumor called gastric MALT lymphoma. Infected persons usually carry the infection indefinitely,

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a species that causes gastritis and pyloric ulcers and is also associated with stomach cancer. Formerly called Campylobacter pylori.

Medical dictionary. 2011.

Look at other dictionaries:

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  • Helicobacter pylori — Taxobox | name = Helicobacter pylori image width=190px regnum = Bacteria phylum = Proteobacteria classis = Epsilon Proteobacteria ordo = Campylobacterales familia = Helicobacteraceae genus = Helicobacter species = H. pylori binomial =… …   Wikipedia

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  • Helicobacter pylori — H. pylori. A type of bacterium that causes inflammation and ulcers in the stomach or small intestine. People with H. pylori infections may be more likely to develop cancer in the stomach, including MALT (mucosa associated lymphoid tissue)… …   English dictionary of cancer terms

  • Helicobacter pylori — 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 …   Dictionary of molecular biology

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