intestine with acute pain line icon. ulcerative colitis, bloating, sigmoid volvulus

abdomen abdominal ache acute anatomical anatomy anus biology bloating body bowel canal care colitis colon constipation coronavirus diarrhoea digestion digestive disease dysbiosis flora gastric gastroenterology gastrointestinal health healthy heartburn human icon illness indigestion intestinal intestine line medical medicine pain science sigmoid spasm stomach symbol tract treatment ulcer ulcerative unhealthy volvulus