Page 182 - Color_Atlas_of_Physiology_5th_Ed._-_A._Despopoulos_2003
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A.  Water balance
             Deficit           Intake:
                               ca. 2.5L/day
              Increased
              thirst           Supplied by:    Excreted:
                               water of oxidation  in feces
                  0.3L                      by respiration     0.1L
                               food        and perspiration
                                                                       Body Fluid Homeostasis
                        0.9L   beverages        as urine  0.9L
                        1.3L          Water balance       1.5L

                                              Output:
                                            ca. 2.5L/day

                   Increased
                   urine output
             Excess
                                                                       Plate 7.11
         B.  Total body water (TBW) content
                            1.00
                              Fraction of TBW to body weight  0.53  0.53

                H 2 O:            0.75
             0.46–0.75L/kg              0.64
              body weight
            0.2                                              0.46

                   0.73
            Fat  Other body
                  tissues               Men   Women  Men    Women
                                 Infant    Young          Old
         C.  Fluid compartments of the body
                           Fraction of
                          body weight
                            0.015        Transcellular H 2 O  Indicator
                            0.045          Plasma H 2 O       Inulin
                     ECF                  Interstitial H 2 O
                           ca. 0.19                       Evans blue  Antipyrine
               Total body  H 2 O = 0.6    Cellular H 2 O


                     ICF   ca. 0.35         (ICF)
                                                                     169

       Despopoulos, Color Atlas of Physiology © 2003 Thieme
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