Synopsis
A Treatise On The Function Of Digestion: Its Disorders, And Their Treatment by Frederick William Pavy is a comprehensive nineteenth-century medical treatise on digestion and its disturbances. The author defines digestion as the process that prepares food for absorption and traces it from prehension, mastication, insalivation, and deglutition through gastric and intestinal digestion, absorption, and defecation. The work combines physiology and pathology, detailing gastric juice, the role of pepsine, acidity, and the chemical changes to nitrogenous, saccharine, and fatty components of food, with careful discussion of the stomach’s structure and function, the liver and bile, the pancreas, and the intestinal mucosa and villi. It also surveys dyspepsia, vomiting, eructation, rumination, flatulence, heartburn, intestinal disorders such as diarrhoea and constipation, and even artificial digestion. Rich with clinical observations and experiments (including Beaumont’s gastric fistula experiments), the book serves as both a primer on digestive physiology and a practical guide to dietary management and treatment of digestive diseases.
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