A system- and disease-based approach to the aspects of gastrointestinal pathophysiology, essential for an understanding of clinical medicine. Bridging the gap between basic science and clinical medicine, this text provides students with a solid understanding of symptom identification and the underlying disease mechanism. Features clinical pearls, learning objectives, study questions, algorithms, and key concepts highlighting the presentation in each chapter. A system- and disease-based approach to the aspects of gastrointestinal pathophysiology, essential for an understanding of clinical medicine. Bridging the gap between basic science and clinical medicine, this text provides students with a solid understanding of symptom identification and the underlying disease mechanism. Features clinical pearls, learning objectives, study questions, algorithms, and key concepts highlighting the presentation in each chapter.Covers the physiologic principles and concepts necessary to understand and treat patients with digestive or liver diseases. Emphasizes high-yield information in a reader-friendly style. Includes useful pedagogical features such as Objectives, Key Concepts, and Study Questions Reflects the growing importance of the gastrointestinal physiology field and the related clinical implications to health and disease. Provides an easy and concise review for the USMLE Step 1. Provide review of core concepts and highlight clinical applications