Heliobacter pylori

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Definition

Noun: 1. A species of bacteria: Helicobacter pylori is the type species of the genus Helicobacter. It is a spiral-shaped, gram-negative bacterium that colonizes the human stomach. 2. A pathogenic agent: It is known for producing the enzyme urease and is strongly associated with various gastroduodenal diseases, including gastritis, gastric ulcers, duodenal ulcers, and other peptic ulcers.

Usage Examples
  • Noun:
    • The doctor ordered a test to check for the presence of Helicobacter pylori.
    • Eradication of Helicobacter pylori is a standard treatment for many peptic ulcers.
    • Research has shown a link between chronic Helicobacter pylori infection and an increased risk of gastric cancer.
Advanced Usage
  • Medical Terminology: In clinical and microbiological contexts, the term is often abbreviated as . It is frequently discussed in relation to its role in disease pathogenesis, diagnostic methods (like breath tests or endoscopy), and treatment regimens (typically involving combination antibiotic therapy).
    • The patient's dyspepsia was ultimately attributed to an H. pylori infection.
Variants and Related Words
  • Helicobacter (noun): The genus to which belongs, containing other related bacteria.
  • Urease (noun): The enzyme produced by that neutralizes stomach acid, allowing it to survive in the acidic environment.
  • Peptic ulcer disease (noun): A condition often linked to infection.
Synonyms
  • Campylobacter pylori (noun): An older, now less common taxonomic name for the same bacterium.
Related Phrases and Concepts
  • H. pylori eradication: The complete elimination of the bacteria from the stomach through medical treatment.
    • Successful H. pylori eradication usually leads to ulcer healing.
  • H. pylori-associated gastritis: Inflammation of the stomach lining caused by the bacteria.
  • Non-ulcer dyspepsia: A condition with ulcer-like symptoms where may or may not be a contributing factor.
Noun
  1. the type species of genus Heliobacter; produces urease and is associated with several gastroduodenal diseases (including gastritis and gastric ulcers and duodenal ulcers and other peptic ulcers)

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