doctor holds a mock intestines of a man on a white background. the concept of intestinal diseases and the treatment of colitis and

abdominal absorption ache acute appendix background bowel cancer cavity chronic colitis colon colonoscopy concept constipation contagion copy crohns diarrhea diarrhoea digestive disease disorders doctor dysbiosis enteritis flatulence flatulency formation gas gastrointestinal germs hand illness infections inflammation intestinal intestine intestines isolate large metabolic microflora motility mucous nonspecific nutrients pain problem sharp sickness small space symptom tract tympanites ulcerative white