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Cell Membrane Chylomicron Lipids Fatty Acids Monoglycerides Bile

Front How are lipids absorbed?
Back - lipases in the small intestine hydrolyse lipids into fatty acids and monoglycerides
- associate with bile salts to form micelles
- micelles move to epithileal cell surface
- bile salts break away
- fatty acids and monoglycerides simply diffuse across epithileal cell membrane

- reform triglycerides in the cell
- golgi body modifies triglyceride and combines it with protein to form chylomicron
- vesicle containing chylomicron fuses with cell membrane
- chlyomicron released by exocytosis as it is too large to diffuse across cell membrane
- chylomicron diffuses into lacteal

Tags: digestion, enzymes, lipids

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