ASGE Recognized Industry Associate (ARIA) Training Program for Regeneron and Sanofi | June 2023-GI Tract in Health_Liver_Gallbladder

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The content of the document is about the gastrointestinal tract and its basic anatomy and physiology, focusing on the liver, gallbladder, and pancreas. The liver is described as a vital organ with over 500 functions, located in the right upper abdomen and weighing 3-4 pounds. It is the largest solid organ in the body and is supplied with blood from the hepatic artery and portal vein. The document also provides diagrams of the liver and biliary anatomy.<br /><br />The gallbladder is mentioned as the storage site for bile, a greenish-yellow fluid produced by the liver, which is released in response to a fatty meal. Bile aids in the absorption of fat and fat-soluble vitamins. The pancreas is described as a glandular organ about 8 inches long, located in the right upper quadrant and left upper quadrant of the abdomen. It has both exocrine and endocrine functions. The exocrine function involves the production and secretion of enzymes that break down fats, carbohydrates, and proteins, as well as the production of bicarbonate to neutralize stomach acid. The endocrine function involves the production of hormones such as insulin, glucagon, and somatostatin.<br /><br />The document also briefly mentions the functions of the liver, including the synthesis of clotting factors, glucose, proteins, and cholesterol, as well as the storage of glucose, vitamins, iron, and copper. The breakdown of medications, drugs, alcohol, and toxins is also mentioned as one of the liver's functions. The importance of the gastrointestinal tract in the breakdown and absorption of food and nutrients, as well as the movement of its contents through coordinated motility and the storage of waste until elimination, is highlighted.<br /><br />In conclusion, the document provides a brief overview of the basic anatomy and physiology of the gastrointestinal tract, with a focus on the liver, gallbladder, and pancreas.

Asset Subtitle

William M. Tierney, MD, FASGE

Keywords

gastrointestinal tract

liver

gallbladder

pancreas

anatomy

physiology

bile

absorption

enzymes

glucose