Page 270 - Color_Atlas_of_Physiology_5th_Ed._-_A._Despopoulos_2003
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C.  Fat absorption
           Fats          Micelle                    Bile    Liver
                  Lipases
                                          Apolar lipids

                                                     Bile salts
                     Short-chain FFA
             Intestinal lumen
                  Glucose                                              Lipid Distribution and Storage II
                             MG
                TG                                            Enterohepatic circulation

                TG
                synthesis
                                Cholesterol
                                CHO-esters
                                Phospholipids
                                Fat-soluble vitamins   Mucosal cell in Ileum  Plate 10.16
         Apolipoproteins                        Jejunum
                              Chylomicrons
         Lymph                To
                              systemic blood    Portal venous blood
        (Cf. legends for Plate 10.14B)
         D.  Source and fate of triacylglycerols and free fatty acids
                            Intestine   Free fatty acids (FFA)
                Triacylglycerine (TG)        and
          Diet  Glucose                  monoacylglycerol
                                           in micelles        max. 15g/h  Intestinal lymph

                FFA                   Pancreatic
                                       lipase
          Energy  metabolism  TG  Liver  Pancreas  TG  in VLDL  TG


                       Storage                              In chylo-
                       of excess fat                     max. 4g/h  microns
                   Chylomicron   Insulin
                   residues and IDL                LPL

         Blood                        FFA
          Release from
          stores 2–9g/h
                           TG
                                                  Energy metabolism
                                                  in muscle, heart, etc.
         Epinephrine
         Glucagon              Storage                                257
         Cortisol              in fat cells
       Despopoulos, Color Atlas of Physiology © 2003 Thieme
       All rights reserved. Usage subject to terms and conditions of license.
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