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Tetracalcium phosphate is the compound Ca 4 (PO 4) 2 O, (4CaO·P 2 O 5). It is the most basic of the calcium phosphates, and has a Ca/P ratio of 2, making it the most phosphorus poor phosphate. [1] It is found as the mineral hilgenstockite, which is formed in industrial phosphate rich
The ratio of calcium to phosphorus greatly impacts the retention of phosphorus. A ratio of 1.3:1 will allow for good phosphorus retention, but levels above a ratio of 2:1 will decrease phosphorus retention. [13] Raising puppies on diets containing excess calcium and phosphorus will result in osteochondrosis which disturbs bone remodeling and ...
Total parenteral nutrition (TPN) is provided when the gastrointestinal tract is nonfunctional because of an interruption in its continuity (it is blocked, or has a leak – a fistula) or because its absorptive capacity is impaired. [6] It has been used for comatose patients, although enteral feeding is usually preferable, and less prone to ...
The term calcium phosphate refers to a family of materials and minerals containing calcium ions (Ca 2+) together with inorganic phosphate anions. Some so-called calcium phosphates contain oxide and hydroxide as well. Calcium phosphates are white solids of nutritional value [2] and are found in many living organisms, e.g., bone mineral and tooth ...
Diet plays a significant role in promoting both good bone and good dental health through the maintenance of the calcium to phosphorus ratio. Up to 99% of a dog's calcium [4] and 85% of phosphorus are found in bones and teeth. [4] An ideal ratio of calcium:phosphorus in dogs is 1.4:1. Maintaining an optimum ratio allows for the continued tight ...
The sites occupied solely by phosphate anions in stoichiometric hydroxyapatite, are occupied by phosphate or hydrogen phosphate, HPO 2− 4, anions. [14] These calcium-deficient phases can be prepared by precipitation from a mixture of calcium nitrate and diammonium phosphate with the desired Ca/P ratio, for example, to make a sample with a Ca ...
A basic metabolic panel including calcium is sometimes colloquially referred to as a "CHEM-8". Calcium, as an alkaline earth metal , is also an electrolyte, but abnormalities are more commonly associated with malnutrition, osteoporosis , or malignancy , especially of the thyroid .
The 45S5 name signifies glass with 45% by weight of SiO 2 and 5:1 molar ratio of calcium to phosphorus. This high ratio of calcium to phosphorus promotes formation of apatite crystals; calcium and silica ions can act as crystallization nuclei. [5] Lower Ca:P ratios do not bond to bone.