Calcium ion
Calcium Ion
Calcium Ion (pronunciation: /ˈkalsiəm ˈaɪɑːn/) is a divalent cation, symbol Ca2+, and is an essential element in the human body.
Etymology
The term "Calcium" originates from the Latin word calx or calcis meaning "lime". The term "Ion" is derived from the Greek word ἰόν, which means "going".
Function
Calcium ions play a crucial role in various physiological functions such as neurotransmitter release, muscle contraction, and cell adhesion. They are also vital for the formation and maintenance of bones and teeth.
Regulation
The concentration of calcium ions in the body is regulated by the parathyroid hormone and calcitonin, which are produced by the parathyroid glands and thyroid gland, respectively.
Related Terms
- Calcium Channel: A type of protein that allows calcium ions to pass through a cell's membrane.
- Calcium Homeostasis: The maintenance of a stable concentration of calcium ions in the body.
- Hypocalcemia: A condition characterized by low levels of calcium in the blood.
- Hypercalcemia: A condition characterized by high levels of calcium in the blood.
See Also
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