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Today Control of Digestion Gastric Secretions Intestinal and Pancreatic Secretions

Learn about the control of digestion, gastric secretions, intestinal and pancreatic secretions, nutrient absorption, and transport mechanisms in the body. Explore the roles of different types of cells in the stomach and their secretions.

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Today Control of Digestion Gastric Secretions Intestinal and Pancreatic Secretions

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  1. Today Control of Digestion Gastric Secretions Intestinal and Pancreatic Secretions Absorption of Nutrients Transport Mechanisms for AA and Sugars Absorption of Fatty Acids

  2. Cells of the Stomach • Goblet Cells secrete mucus • Parietal Cells secrete HCl • Chief Cells secrete pepsinogen • Enterochromaffin-Like Cells (ECL) secrete histamine • G cells secrete gastrin • D cells secrete Somatostatin

  3. + Chyme Chief Cells Pepsinogen + + ECL Cells G Cells + Gastrin + Histamine Parietal Cells ++ HCl

  4. pH <2.5 + D Cells + Somatostatin - HCl Parietal Cells

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