dysbacteriosis of the intestine - colon bacteria.

abdomen acid anatomy bacteria bacterium bacteroides bad bifidobacteria body bowel canal colitis colon constipation digestion digestive disease dysbacteriosis dysbiosis enteric flora fungi gastrointestinal germ good gut health human illness illustration imbalance infographics inside internal intestinal intestine large maladaptation medical medicine microbe microbial microbiota organ probiotic science small system viruses