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Found Calcium 9 times.

Displaying results 1 to 10.

1. Calcium (Ca)
Calcium is a hard, silvery metallic element which has an atomic number of 20 and an atomic weight of 40.078. It is classified as an alkaline earth element and burns with a yellow-red flame. It is highly reactive (pure calcium reacts explosively with water) and is therefore not found in its pure form in nature. Instead, it is typically found in minerals such as gypsum and fluorite, in limestone (as calcium carbonate) and stalactites/stalagmites, and in the bones, teeth and shells of animals. Calcium is essential in the human diet (people normally consume 600 1400 milligrams per day). The body needs it for a variety of functions, such as blood clotting, the transmission of nerve signals, muscle contraction, and proper heart function. Calcium imbalances can cause many health problems, and some chemical imbalances can cause the mineral to build up in nerve cells, poisoning and ultimately killing them.

2. Calcium ATPase
A type of ATPase , which is an enzyme that removes a phosphate from an ATP molecule, turning it into ADP in the process. The calcium ATPase enzyme needs to have calcium.

3. Calcium carbimide (Temposil)
This drug is used to treat alcoholism; if a person takes this drug and then drinks any alcohol at all, they will get sick (headache, nausea, vertigo, etc.)

4. Calcium carbonate
Chemical that also occurs in limestone and marble.

5. Calcium channel
The calcium channel is the channel via which calcium cations pass through the cell membrane. In excitable cells the action potential results from the transmembrane fluxes of Na+, Ca2+ and K+.

6. Calcium channel blocker
A calcium channel blocker is a drug that interferes with the generation of an action potential in cells dependent on the calcium current for their activation; verapamil, nifedipine, and diltiazem belong to this class. By reducing the flux of calcium, these drugs slow down the heart rate, and lower blood pressure thereby reducing oxygen demand of the heart. These drugs are used to treat angina, and hypertension.

7. Calcium channel blocker
A drug that blocks the entry of calcium into cells, thereby preventing cell dealth and loss of function caused by excess calcium. Calcium channel blockers are used primarily to lower blood pressure and to treat certain heart conditions and stroke, but are being studied as potential treatments for Alzheimer's disease .

8. Calcium metabolism
A set of biochemical processes which act to keep the level of calcium in the blood at a constant level, with enough around to build bones and teeth.

9. Calcium oxide (lime, quicklime, burnt lime, calx)
A chemical compound with the formula CaO which is a whitish, odorless solid that does not dissolve well in water. It will, however, react with water (H20) to form calcium hydroxide (CaOH, a base ). It has a melting point of 2614 degrees Celsius and a boiling point of 2850 degrees Celsius. It can be made by heating calcium carbonate (CaCO3, limestone) until carbon dioxide (CO2) is released. It has a great many industrial uses.

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