ヘリコバクターピロリヘリコバクターピロリMeanings1nounHelicobacter pyloriScientific name for the bacterium associated with stomach ulcers and gastritis. Used in medical and biological contexts.ヘリコバクターピロリは胃い潰かい瘍ようの原げん因いん菌きんの一ひとつです。Helicobacter pylori is one of the causative bacteria of stomach ulcers.