NCIt definition : A species of anaerobic, Gram-positive, rod shaped bacteria assigned to the phylum
Actinobacteria. This species is nonmotile, non-spore forming, catalase and indole
negative and ferments only lactose and cellobiose. B. bifidum is a commensal part
of the normal human gastrointestinal tract and vaginal flora and is used in the fermentation
of dairy products and as a probiotic.;
Alternative definition : CDISC: Any bacterial organism that can be assigned to the species Bifidobacterium
bifidum.;