Structure and innervation of hollow viscera / Laura D. Wood and Elizabeth A. Montgomery -- Gastrointestinal hormones in the regulation of gut function in health and disease / John Del Valle -- Gastrointestinal motility / Ikuo Hirano and Darren Brenner -- Gastrointestinal immunology and ecology / Shehzad Z. Sheikh and Scott E. Plevy -- Gastric physiology / Mitchell L. Schubert -- Structure and function of the exocrine pancreas / James H. Grendell -- Absorption and secretion of fluid and electrolytes / Lawrence R. Schiller -- Absorption of nutrients / Lawrence R. Schiller -- Hepatic structure and function / Michelle T. Long and Lawrence S. Friedman -- The splanchnic circulation / Peter R. Kvietys and D. Neil Granger -- Composition and circulation of the bile / Allan W. Wolkoff -- Bilirubin metabolism / Allan W. Wolkoff