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Glossary of Physiology Terms
) is a divalent cation. It plays an important role in physiological processes such as muscle contraction and synaptic transmission. Calcium is also an intracellular messenger.
The extracellular concentration of Ca2+
is about 2 mM. The intracellular concentration of Ca2+
is about 70 nM.
Posted: Wednesday, February 5, 2014
Last updated: Wednesday, February 5, 2014