Atlas of Gastrointestinal Endoscopy: Endoscopic images of esophagus, stomach, colon, and ERCP from a Otto v.Guericke University in Magdeburg, Germany.
Atlas of Gastrointestinal Endoscopy.: Collection of endoscopic images annotated with patient descriptions. The site is developed by Atlanta South Gastroenterology, P.C.
El Salvador Atlas of Gastrointestinal VideoEndoscopy: Images and Videos of Gastrointestinal Video Endoscopy from the Jerusalem Medical Center in San Salvador, El Salvador.
Pathology of the Liver: Review of hepatic pathology developed by Loyola University.
WebPath: The Internet Pathology Laboratory: Contains images, text, and tutorials for pathology education for multiple organ systems including the GI system. Lab exercises and tutorials are included.