Bifidobacterium bifidum

Bifidobacterium are also called probiotics. Bifidobacterium are present in the digestive track of most humans and are considered beneficial as they inhibit the growth of more serious bacteria, such as: E. coli. It is also of note that this type of bacteria decrease with age. Breast fed children have a larger quantity in the intestines than older adults.

Full: Bifidobacterium bifidum
Japanese: B. ビフィダム, B. bifidamu
Type: Bacteria

Story Details:
This is first seen in Itsuki Keizou Sensei's lab. Hasegawa Haruka demands that Sawaki Tadayasu prove his ability, these are seen in a petri dish culture.