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)
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Despopoulos, Color Atlas of Physiology © 2003 Thieme
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