USMLE

Bile

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Digestive
  1. Gastrin
  2. Pepsin
  3. Amylase
  4. Lipase
  5. Trypsin
  6. CCK
  7. Secretin
  8. GI System
  9. Ingestion
  10. Liver
  11. Bile
  12. Exocrine Pancreas
  13. Endocrine Pancreas
  14. Small Intestine
  15. Large Intestine
  16. GI Nervous Control
  • Bile
    • Mixture of bile salts and cholesterol
    • Manufactured in the liver
    • Stored in the gallbladder
    • Released into the duodenum 
    • Function 
      • Bile salts emulsify fats in the duodenum, which breaks them down into smaller hydrophilic micelles
        • Micelles are needed because fat clumps together in aqueous intestinal fluid, which reduces the surface area on which the pancreatic enzyme lipase can act