microvilli surface of digestive system, intestinal villi with bacteria and viruses. microscopic villi, capillaries

red petal flower pink plant invertebrate organ pattern coral food leaf art orange purple produce circle microvilli surface digestive system intestinal villi bacteria viruses microscopic capillaries digestion absorption human intestine pylori render microbe anatomy bacterial bacterium bowel campylobacter pyloridis cancer colon duodenum epithelial epithelium filament flagella gastric gastrointestinal gut helical helicobacter ileum lining lumen medical micro-organisms microbiology mirovillus mucosa myosin nutrients nutrition parasite proteobacteria stomach tissue villus