Bacterium
Helicobacter pylori
Curved urease-positive gastric rod
HEL-ih-koh-bak-ter pie-LOR-ee
High-yield clue
Curved rod + urease positive + gastric mucosa clue.
Overview
A curved Gram-negative rod used to connect urease positivity, gastric mucosa vocabulary, and ulcer/cancer association concepts.
Classification
- Gram-negative
- Curved rod
- Microaerophile concept
Lab & identification clues
- Urease test vocabulary
- Stool antigen/urea breath test terms
- Curved morphology
Associations
- Gastritis vocabulary
- Peptic ulcer coursework association
- MALT lymphoma/cancer association vocabulary
Commonly confused with
- Campylobacter jejuni
- Vibrio cholerae
Your notes
Original student-study summary. Sources checked: OpenStax Microbiology 2e, NCBI Bookshelf Medical Microbiology, and CDC topic pages where applicable; reviewed 2026-06. Educational only; no diagnosis, treatment, dosing, or specimen-handling guidance.