phosphate

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phosphate

 [fos´fāt]
any salt or ester of phosphoric acid. adj., adj phosphat´ic.

Phosphates are widely distributed in the body, the largest amounts being in the bones and teeth. They are continually excreted in the urine and feces and must be replaced in the diet. Inorganic phosphates function as buffer salts to maintain the acid-base balance in blood, saliva, urine, and other body fluids. The principal phosphates in this buffer system are monosodium and disodium phosphate. Organic phosphates, in particular adenosine triphosphate (ATP), take part in a series of reversible reactions involving phosphoric acid, lactic acid, glycogen, and other substances, which furnish the energy expended in muscle contraction. This is thought to occur through the hydrolysis of the so-called high-energy phosphate bond present in ATP, phosphocreatine, and certain other body compounds.

phos·phate (P),

(fos'fāt),
A salt or ester of phosphoric acid. For individual phosphates not listed here, see under the name of the base.

phos·phate

(fos'fāt)
1. A salt or ester (especially inorganic) of phosphoric acid.
2. The trivalent ion, PO43-.

phosphate

any salt or ester of any PHOSPHORIC ACID.

Phosphate

An organic compound necessary for mineralization of bone and other key cellular processes.
Mentioned in: Hyperparathyroidism
References in periodicals archive ?
Since then, the agency has received reports of acute phosphate nephropathy with both prescription and OTC products, including 20 unique cases of kidney injury associated with the use of OsmoPrep. Of the reported cases, three were biopsy-proven acute phosphate nephropathy.