原げん因いん菌きん

noun

causative microorganism; pathogenic bacteria; pathogen

Medical term for the specific bacterium or microorganism that causes a disease. Used in clinical and scientific contexts.

• この病びょう気きの原げん因いん菌きんはまだ特とく定ていされていない。

  The causative microorganism of this disease has not yet been identified.

• 食しょく中ちゅう毒どくの原げん因いん菌きんとしてサルモネラ菌きんがよく知しられている。

  Salmonella is well known as a pathogenic bacteria causing food poisoning.