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Chloride
Abbreviation:
CI

Definition:
The main anion (negatively charged ion) of the extracellular fluid.

Cloride (Cl) plays an important role in several physiological processes such as the action potential of skeletal muscle cells, CO2 transport in blood (via Cl/bicarbonate exchange across the plasma membrane of red blood cells), and many other processes.

The extracellular concentration of Cl is about 110 mM. The intracellular concentration of Cl is about 10 mM.






Posted: Wednesday, February 5, 2014
Last updated: Wednesday, February 5, 2014