Bacteroides thetaiotaomicron

**Definition:** A species of Bacteroides that is a major constituent of the human GUT MICROBIOTA. It normally produces enzymes important for the digestion of vegetable matter. However, it can also cause OPPORTUNISTIC INFECTIONS that result in intra-abdominal SEPSIS; BACTEREMIA; and PERITONITIS.

**Tree numbers:** - B03.440.080.094.152.700 - B03.440.425.410.194.152.700