heliobacter pylori
Học thuậtThân thiện
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
- 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)