Colorado State University
Colorado State University: Gross and Microscopic Anatomy of the Stomach
Describes the human stomach in terms of its structural components.
Khan Academy
Khan Academy: What Is Inflammatory Bowel Disease?
Inflammatory bowel diseases are chronic relapsing disorders that cause inflammation within the gut, which damages the gut lining. The vast majority of inflammatory bowel disease is due to either ulcerative colitis or Crohn's disease....