bacteria inside the large intestine, concept, representation. 3d .

abdomen abstract acid and aureus bacillus bacterium bifidobacterium blue body care coli colon color colorful condition digestive eating emotion enterobacteria examining gland healthcare healthy horizontal hormone human illustration infection internal intestinal intestine isolated lactic lactobacillus legionella letter lifestyle limbic medical medicine microbiology negative organ part people photography pneumophila poisonous probiotic relationship small staphylococcus streptococcus subtilis symbiotic symbol system tract virus white yogurt