Page 338 - Color Atlas of Biochemistry
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Kidney      329


                 A. Electrolyte and water recycling

                 Blood plasma                                                                         Urine

                                                                     Tubule cell
                                               A
                                                   PPP
                             Ca 2                          Ca 2                           Ca 2
                                       1
                           2
                        Ca -transporting     A
                     1                          PP    P
                        ATPase 3.6.1.38


                     2   Na /K -exchanging
                         ATPase 3.6.1.37
                                                Parathyrin  Calcitonin  Calcitriol




                        H PO 4                            H PO 4                          H PO 4
                         2
                                                           2
                                                                                            2
                      H O                                                                  H O
                         2
                                                                                              2
                                                                              Water follows
                                                                              osmotic
                                 ANP                      Vasopressin         gradient
                                                           (adiuretin)
                                                                                           K
                     Aldosterone             A                Aldosterone
                                                PPP

                            3Na                           3Na                             Na

                             2K        2                   2K
                                             A       P
                                                PP                       2 Cl             2 Cl


                 B. Gluconeogenesis




                      Glucose                            Glucose



                            Cortisol                  Gluconeogenesis                    Free
                                                                                         diffusion

                      Glycerol
                      Fructose                                             NH 3           NH 3
                      Amino acids                      2-Oxoglutarate
                                                                        H



                     Glutamine                  Glutamine
                                                                          NH 4








           Koolman, Color Atlas of Biochemistry, 2nd edition © 2005 Thieme
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