Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025
Definition
Bacterial flora consists of the complex community of microorganisms that live in the digestive tracts, particularly within the small and large intestines. These bacteria play crucial roles in digestion, nutrient absorption, and immune function.
Probiotics: Live microorganisms that, when consumed in adequate amounts, confer a health benefit on the host by improving its intestinal microbial balance.