Maintenance of Constant Ion Concentration in Body Fluids: Sodium, Potassium, and Chloride

  • Samuel Natelson
  • Ethan A. Natelson


In the discussions in the preceding chapters, the following facts have been pointed out:
  1. 1.

    Stretch receptors and osmotic receptors signal the central nervous system to set in motion neural and humoral mechanisms to maintain constant volume and constant pressure in the extracellular fluid spaces.

  2. 2.

    Bicarbonate and pH levels are maintained constant. Change in these levels results in stimulation of the central nervous system, setting in motion mechanisms for their readjustment.

  3. 3.

    Blood pressure and metabolic rate, which in turn affect body temperature, are also under central nervous system control.

  4. 4.

    Function of individual organs, like the liver, kidney, and sweat glands, is also directly and indirectly controlled by the central nervous system tied to the composition and volume of the body fluids.



Sweat Gland Serum Potassium Level Fusidic Acid Adenosine Triphosphatase Periodic Paralysis 


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Selected Reading-Maintenance of Constant ion Concentration in Body Fluids: Sodium, Potassium, and Chloride

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Copyright information

© Plenum Press, New York 1975

Authors and Affiliations

  • Samuel Natelson
    • 1
  • Ethan A. Natelson
    • 2
  1. 1.Department of BiochemistryMichael Reese Hospital and Medical CenterChicagoUSA
  2. 2.Baylor College of Medicine Methodist HospitalHoustonUSA

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