colonoscope in the colon. detail of the colonoscope

anatomy and anus biological camera cancer chemotherapy choledochoscope colitis colon colonoscope colonoscopy colorectal cure detail diagnosis diagram digestion digestive disease duodenoscope echoendoscopes endoscope endoscopic endoscopy enteroscope esophagogastroduodenoscope fiber flexible for gastroenterologist gastroscope gastroscopy health human illustration instrument intestine large light medical medicine patient polyp polyps prevention procedure rectum removal science sigmoidoscope surgery system therapy treatment tube tumor use vector video