Is a quantification of calcium, typically in serum. Calcium (Ca2+) plays a pivotal role in the physiology and biochemistry of organisms and the cell. It plays an important role in signal transduction pathways, where it acts as a second messenger, in neurotransmitter release from neurons, contraction of all muscle cell types, and fertilization. Many enzymes require calcium ions as a cofactor, those of the blood-clotting cascade being notable examples. Extracellular calcium is also important for maintaining the potential difference across excitable cell membranes, as well as proper bone formation.

Synonyms:

calcium levels

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Term information

database cross reference
  • SNOMEDCT:71878006
  • NCIt:C64488
definition citation
  • http://en.wikipedia.org/wiki/Blood_calcium#Measurement
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term editor
  • Helen Parkinson

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