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Helicobacter pylori (H. pylori)

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Updated September 11, 2007

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Definition: A spiral-shaped bacterium found in the stomach. H. pylori damages stomach and duodenal tissue, causing ulcers. Previously called Campylobacter pylori.
Pronunciation: HELL-uh-koh-BAK-tur py-LOH-ree
Glossary of Heartburn-Related Terms -- H
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