collection of medical icons on the subject of the intestinal immune system

antibiotic back bacteria board bowel capsule chemical circuit defend dish dna drug factory guts icon immune intestinal intestines lab lactose live magnifier medical medicine microbiota microencapsulation microflora microscope microscopy milk molecular petri pill plant prebiotic preservation preserve printed probiotic protection recovery research sowing structure symbiotic symbol synbiotic syringe system technology test treatment tube virus