GI Anatomy and Physiology PDF
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Uploaded by EnticingTungsten
The University of Texas Medical Branch
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Summary
This document provides an overview of GI anatomy and physiology, including topics such as gastric acid secretion and fluid transport, as well as nutrient digestion and absorption. The document details liver and pancreatic function along with obesity related topics.
Full Transcript
GI Physiology Gastric Acid Secretion and Fluid Transport Regulation of Gastric Acid Secretion Vagal Nerve Gastrin Histamine Fluid and Electrolyte Absorption Na+ H+ N Duodenum a+ Cl- + 2Na Jejunum Glu Cl-...
GI Physiology Gastric Acid Secretion and Fluid Transport Regulation of Gastric Acid Secretion Vagal Nerve Gastrin Histamine Fluid and Electrolyte Absorption Na+ H+ N Duodenum a+ Cl- + 2Na Jejunum Glu Cl- Cl- Terminal ileum HCO3 - Na Colon + Cl- Na+ Terminal Colon Nutrient Digestion and Absorption SGLT-1, Glu-2 H+:AA counter transport Na+:AA co-transport Fatty acids-diacylglycerol Triglycerides Fatty acids + diacylglycerol + bile salts Apolipoprotein APO-A Emulsification Micelles Liver Function Metabolism of nutrients-protein (albumin) synthesis, hormone and precursors, synthesis of enzymes, acute phase reactants, and coagulation factors, conversion of lipoproteins Removal of toxins-endogenous and exogenous Secretion of bile for absorption of fats Pancreatic Function Obesity Caloric Intake Caloric Expenditure Adiponec tin
