十じゅう二に指し腸ちょう潰かい瘍よう

noun

duodenal ulcer

Medical term for an ulcer in the duodenum. Used in clinical and everyday health contexts.

• 十じゅう二に指し腸ちょう潰かい瘍ようの原げん因いんの多おおくはピロリ菌きんです。

  Many duodenal ulcers are caused by H. pylori bacteria.