Definition of 腸内細菌 (ちょうないさいきん)
ちょうないさいきん
                        腸内細菌
ちょうないさいきん
chounaisaikin
noun
•
        
enteric bacteria, intestinal bacteria
Related Kanji
| 腸 | intestines, guts, bowels, viscera | 
| 内 | inside, within, between, among, house, home | 
| 細 | dainty, get thin, taper, slender, narrow, detailed, precise | 
| 菌 | germ, fungus, bacteria |