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Extracellular fluid usually denotes all body fluid outside of cells. The remainder is called intracellular fluid.
In humans, the normal glucose concentration of extracellular fluid that is regulated by homeostasis is approximately 5 mM.
The pH of extracellular fluid is tightly regulated by buffers around 7.4.
Contents of ECF
- Main Cations:
- Sodium (140 mM)
- Potassium (4 mM)
- Calcium (2 mM)
- Main Anions:
- Chloride (110 mM)
- Hydrogen Carbonate (26 mM)
It is poorer in proteins compared to intracellular fluid
References & Bibliography
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