Calcium: Difference between revisions
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'''Calcium''' is the chemical element with the symbol Ca and atomic number 20. | '''Calcium''' is the chemical element with the symbol Ca and atomic number 20. | ||
Calcium is essential for [[life]], particularly in [[cell]] [[physiology]], where movement of the calcium ion Ca<sup>2+</sup> into and out of the cytoplasm functions as a signal for many cellular processes, including neuromuscular contractions. It is also a major material used in mineralization of bones, teeth and shells. | Calcium is essential for [[life]], particularly in [[cell]] [[physiology]], where movement of the calcium ion Ca<sup>2+</sup> into and out of the cytoplasm functions as a signal for many cellular processes, including neuromuscular contractions. It is also a major material used in mineralization of bones, teeth and shells. | ||
Revision as of 00:10, 1 October 2008
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Calcium is the chemical element with the symbol Ca and atomic number 20.
Calcium is essential for life, particularly in cell physiology, where movement of the calcium ion Ca2+ into and out of the cytoplasm functions as a signal for many cellular processes, including neuromuscular contractions. It is also a major material used in mineralization of bones, teeth and shells.