The ileum

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  • Created by: oliviaeve
  • Created on: 27-04-16 09:25
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  • The ileum
    • up to 6m long
    • Forms majority of the small intestine
    • On the surface of the folds are villi
      • villi and their epithelial cells have Microvilli
      • Provides a very large surface area for diffusion
        • villi and their epithelial cells have Microvilli
    • Absorption
      • diffusion
        • minerals
          • Facilitated diffusion
            • INDIVIDUAL AMINO ACIDS pass into capillaries
              • water soluble
              • dissolve into plasma
          • Active transport
            • Needs ATP
              • Epithelial cells have many mitochondria
            • AMINO ACIDS absorbed into cells by active transport
      • Facilitated diffusion
        • INDIVIDUAL AMINO ACIDS pass into capillaries
          • water soluble
          • dissolve into plasma
      • Active transport
        • Needs ATP
          • Epithelial cells have many mitochondria
        • AMINO ACIDS absorbed into cells by active transport

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