1. (noun) a beneficial bacterium found in the intestinal tract of healthy mammals; often considered to be a plant

• probiotic bacterium
• probiotic flora
• probiotic microflora

1. (noun) a beneficial bacterium found in the intestinal tract of healthy mammals; often considered to be a plant

• acidophilus
• lactobacillus acidophilus

1. (noun) a beneficial bacterium found in the intestinal tract of healthy mammals; often considered to be a plant

• bacteria
• bacterium