what is calciums ion
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calcium 1. calcium ion-ion of calcium; a factor in the clotting of blood. factor IV. atomic number 20, Ca, calcium-a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals.. calcium ion-ion of calcium; a factor in the clotting of blood. factor IV. atomic number 20, Ca, calcium-a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals.
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6. ESSENTIAL NUTRIENTS - MINERALS Calcium, in the form of the Ca2+ ion, is one of the major inorganic cations, or positive ions, in. saltwater and freshwater. It can originate from the dissociation of salts, such as calcium chloride. or calcium sulfate, in water.
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Calcium Homeostasis Calcium homeostasis refers to the regulation of the concentration of calcium ions in the extracellular fluid [Ca++]ECF.This parameter is tightly controlled because the calcium ions have a stabilizing effect on voltage-gated ion channels.alcium homeostasis refers to the regulation of the concentration of calcium ions in the extracellular fluid [Ca++]ECF.
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Calcium Calcium is a chemical element. Its symbol on the periodic table is Ca. Its atomic number is 20. It has 20 protons and 20 electrons. The most common isotopes are Ca-40 and Ca-44. Its mass number is about 40.08. Calcium is very important in the human body, for making bones and for other purposes.
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Calcium Ionized Most of this circulating calcium is bound to albumin. Because of this, changes in serum protein concentrations can affect total blood calcium concentrations. Ionized calcium is the biologically active fraction and its concentration is tightly regulated by PTH.
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What Is Calcium Bicarbonate? Calcium bicarbonate is also the primary source of minerals for the formation of stalactites, stalagmites and columns seen within caves. As water containing carbon dioxide passes through limestone, it dissolves some of the calcium carbonate over time and becomes richer in bicarbonate composition.
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Calcium iodide Calcium iodide (chemical formula CaI2) is the ionic compound of calcium and iodine.This colourless deliquescent solid is a salt that is highly soluble in water.Its properties are similar to those for related salts, such as calcium chloride.alcium iodide (chemical formula CaI2) is the ionic compound of calcium and iodine.
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Calcium - Ca Calcium. The chemical element Calcium (Ca), atomic number 20, is the fifth element and the third most abundant metal in the earth’s crust. The metal is trimorphic, harder than sodium, but softer than aluminium.A well as beryllium and aluminium, and unlike the alkaline metals, it doesn’t cause skin-burns.he chemical element Calcium (Ca), atomic number 20, is the fifth element and the third most abundant metal in the earth’s crust.
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Minerals, the Universe, and You An ion is a mineral or element that has a positive or negative charge. On the molecular level, that means the element has either too many or too few electrons. This unstable ionic state allows the element to bond readily with water, making it possible for the body to absorb it.
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Calcium in the Soil by Jim Halbeisen. Calcium is an alkaline metal of Group II A on the periodic chart and is the fifth most abundant element in the earth's crust while being widely distributed in nature. The electronic structure of the calcium cation makes it a unique element that is ideally suited to assist in plant growth.
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- Calcium is an essential element needed in large quantities. The Ca 2+ ion acts as an electrolyte and is vital to the health of the muscular, circulatory, and digestive systems; is indispensable to the building of bone; and supports synthesis and function of blood cells.
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- Calcium is a soft gray alkaline earth metal, fifth-most-abundant element by mass in the Earth 's crust. The ion Ca 2+ is also the fifth-most-abundant dissolved ion in seawater by both molarity and mass, after sodium, chloride, magnesium, and sulfate. Free calcium metal is too reactive to occur in nature.
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MASTERING A & P A&P CHAPTER 9 MUSCLES How do calcium ions initiate contraction in skeletal muscle fibers? A. Calcium ions provide the energy necessary for the myosin head power stroke. B. Calcium ions bind to tropomyosin, exposing the active sites on actin. C. Calcium ions bind to troponin, changing troponin’s shape.
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Calcium Carbonate Calcium carbonate is an inorganic salt used as an antacid. It is a basic compound that acts by neutralizing hydrochloric acid in gastric secretions. Subsequent increases in pH may inhibit the action of pepsin. An increase in bicarbonate ions and prostaglandins may also confer cytoprotective effects.
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Calcium in biology Calcium ions (Ca 2+) play a pivotal role in the physiology and biochemistry of organisms and the cell. They play an important role in signal transduction pathways, where they act as a second messenger, in neurotransmitter release from neurons, in contraction of all muscle cell types, and in fertilization.or instance, Ca 2+ (mostly calcium phosphate and some calcium sulfate) is the most important (and specific) element of bone and calcified cartilage. In humans, the total body content of calcium is present mostly in the form of bone mineral (roughly 99%).
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- Calcium is a chemical element with symbol Ca and atomic number 20. An alkaline earth metal, calcium is a reactive pale yellow metal that forms a dark oxide-nitride layer when exposed to air. Its physical and chemical properties are most similar to its heavier homologues strontium and barium. It is the fifth most abundant element in Earth's crust and the third most abundant metal, after iron and aluminium. The most common calcium compound on Earth is calcium carbonate, found in limestone and the
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- Calcium is the fifth most abundant element in the human body and the most abundant metal. Calcium ions play a vital role in the physiology and biochemistry of organisms and the cell as electrolytes.
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Calcium - ionized Definition. Ionized calcium is calcium in your blood that is not attached to proteins. It is also called free calcium. All cells need calcium in order to work. Calcium helps build strong bones and teeth. It is important for heart function. It also helps with muscle contraction, nerve signaling, and blood clotting.This article discusses the test used to measure the amount of ionized calcium in blood.efinition. Ionized calcium is calcium in your blood that is not attached to proteins. It is also called free calcium. All cells need calcium in order to work. Calcium helps build strong bones and teeth. It is important for heart function. It also helps with muscle contraction, nerve signaling, and blood clotting.
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Serum calcium measurement: Total versus free (ionized) calcium Measurement of serum free (ionized) calcium (Ca++) reflects true calcium status of the body in health and disease. Present study evaluates efficacy of Ca++ over total calcium (CaT) in serum for calcium status. 52 subjects were enrolled for study. Anaerobic fasting blood sample for Ca++ measurement and autoclaved plain bulb for estimation of CaT, Total protein (TP) and Albumin was used.
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- Calcium phosphate is the name given to a family of minerals containing calcium ions (Ca 2+) together with orthophosphates (PO 4 3−), metaphosphates or pyrophosphates (P 2 O 7 4−) and occasionally hydrogen or hydroxide ions. Biphasic calcium phosphate (not to be confused with dibasic calcium phosphate) is a biomaterial that is biphasic, consisting of a mixture of tricalcium phosphate and hydroxyapatite. 2  It is an alternative to bone grafting that is used around osseous implants (such as dental implants).
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- Calcium is essential for living organisms, in particular in cell physiology, where movement of the calcium ion into and out of the cytoplasm functions as a signal for many cellular processes.ith a density of 1.54 g/cm 3, calcium is the lightest of the alkaline earth metals; magnesium (specific gravity 1.74) and beryllium (1.84) are denser though lighter in atomic mass. From strontium onward, the alkali earth metals become denser with increasing atomic mass.
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Calcium metabolism The kidney filters 250 mmol of calcium ions a day in pro-urine (or glomerular filtrate), and resorbs 245 mmol, leading to a net average loss in the urine of about 5 mmol/d. The quantity of calcium ions excreted in the urine per day is partially under the influence of the plasma parathyroid hormone (PTH) level - high levels of PTH decreasing the rate of calcium ion excretion, and low levels increasing it.
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- Calcium chloride is made of calcium ions (with 2 charges, Ca ++) and chloride ions (with 1 charge only, Cl —). You need 2 chloride anions to balance each calcium cation. Therefore the formula of calcium chloride is CaCl 2.Similarly, in sodium carbonate you have sodium cations Na + and carbonate anions CO 3= , so that you need 2 sodium ions for each carbonate ion, and the formula is Na 2 CO 3.ou need 2 chloride anions to balance each calcium cation. Therefore the formula of calcium chloride is CaCl 2. Similarly, in sodium carbonate you have sodium cations Na + and carbonate anions CO 3= , so that you need 2 sodium ions for each carbonate ion, and the formula is Na 2 CO 3.
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Overview It’s also essential for keeping your nerves, heart, and muscles functioning properly. Since calcium is so important for many of your body’s functions, its levels need to be within a tight range. A second calcium blood test, called the ionized calcium blood test, measures the amount of “free” calcium present in your blood. “Free calcium” refers to calcium that’s not bound to any proteins and not together with an anion in your blood.