| phosphates | Inorganic salts of phosphoric acid. (12 Dec 1998) |
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| phosphatic | <chemistry> Pertaining to, or containing, phosphorus, phosphoric acid, or phosphates; as, phosphatic nodules. <medicine> Phosphatic diathesis, a habit of body which leads to the undue excretion of phosphates with the urine. Source: Websters Dictionary (01 Mar 1998) |
| phosphatidal | Older trivial name for alk-1-enylglycerophospholipid. (05 Mar 2000) |
| phosphatidase | <enzyme> An enzyme that catalyses the hydrolysis of a lecithin to a lysolecithin by removing the 2-acyl group; also acts on other phospholipids by removing a fatty acid from the 2-position; this enzyme has an important role in prostaglandin and leukotriene biosynthesis. Synonym: lecithinase A, phosphatidase, phosphatidolipase. (05 Mar 2000) |
| phosphatidate | A salt or ester of a phosphatidic acid. Phosphatidate phosphatase, an enzyme that catalyses the hydrolysis of phosphatidate producing inorganic phosphate and 1,2-diacylglycerol; this enzyme participates in phospholipid and triacylglycerol metabolism. (05 Mar 2000) |
| phosphatidate phosphatase | <enzyme> A phosphomonoesterase involved in the synthesis of triacylglycerols. It catalyses the hydrolysis of phosphatidates with the formation of diacylglycerols and orthophosphate. Chemical name: 3-sn-Phosphatidate phosphohydrolase Registry number: EC 3.1.3.4 (12 Dec 1998) |
| phosphatide | <biochemistry> The family of phospholipids based on 1,2 diacyl 3 phosphoglyceric acid. (31 Dec 1997) |
| phosphatidic acid | <biochemistry> The parent structure for phosphatidyl phospholipids, present in low concentrations in membranes. The acyl groups are derived from long chain fatty acids. An intermediate in the synthesis of diacyl glycerol, the immediate precursor of most of the phosphatidyl phospholipids (except phosphatidyl inositol) and of triacyl glycerols. (31 Dec 1997) |
| phosphatidic acid kinase | <enzyme> Plant enzyme which converts phosphatidic acid to diacylglycerol pyrophosphate Registry number: EC 2.7.4.- (26 Jun 1999) |
| phosphatidic acids | Fatty acid derivatives of glycerophosphates. They are composed of glycerol bound in ester linkage with 1 mole of phosphoric acid at the terminal 3-hydroxyl group and with 2 moles of fatty acids at the other two hydroxyl groups. (12 Dec 1998) |
| phosphatidolipase | <enzyme> An enzyme that catalyses the hydrolysis of a lecithin to a lysolecithin by removing the 2-acyl group; also acts on other phospholipids by removing a fatty acid from the 2-position; this enzyme has an important role in prostaglandin and leukotriene biosynthesis. Synonym: lecithinase A, phosphatidase, phosphatidolipase. (05 Mar 2000) |
| phosphatidyl | The radical of a phosphatidic acid; e.g., phosphatidylcholine. (05 Mar 2000) |
| phosphatidylcholine | <biochemistry> The major phospholipid of most mammalian cell membranes where the 1 acyl residue is normally saturated and the 2 acyl residue unsaturated. Choline is attached to phosphatidic acid by a phosphodiester linkage. Major synthetic route is from diacyl glycerol and CDP choline. Forms monolayers at an air water interface and forms bilayer structures (liposomes) if dispersed in aqueous medium. A zwitterion over a wide pH range. Readily hydrolysed in dilute alkali. (31 Dec 1997) |
| phosphatidylcholine-ceramide phosphocholine transferase | <enzyme> Cdpcholine is not a donor; imvolved in sphingomyelin synthesis Registry number: EC 2.7.8.- Synonym: pc-cer-pch transferase, sphingomyelin synthase (26 Jun 1999) |
| phosphatidylcholine-sterol o-acyltransferase | <enzyme> An enzyme secreted from the liver into the plasma of many mammalian species. It catalyses the esterification of the hydroxyl group of lipoprotein cholesterol by the transfer of a fatty acid from the c-2 position of lecithin. In familial lecithin:cholesterol acyltransferase deficiency disease, the absence of the enzyme results in an excess of unesterified cholesterol in plasma. Chemical name: Phosphatidylcholine:sterol O-acyltransferase Registry number: EC 2.3.1.43 (12 Dec 1998) |
Synonyms : Neoton, Phosphocreatine, Disodium Salt, Phosphorylcreatine, Disodium Salt Phosphocreatine, Phosphate, Creatine
Synonyms : 5'-Exonuclease, 5'-Nucleotidephosphodiesterase, Alkaline Phosphodiesterase, Alkaline Phosphodiesterase I, Oligonucleate 5'-Nucleotidohydrolase, Orthophosphoric Diester Phosphohydrolase, 5' Exonuclease, 5' Nucleotidephosphodiesterase
Synonyms : Antiphosphodiesterases
Synonyms :
Synonyms : ATP-Dependent Phosphoenolpyruvate Carboxykinase, T. cruzi PEPCK, ATP Dependent Phosphoenolpyruvate Carboxykinase, Carboxykinase, ATP-Dependent Phosphoenolpyruvate, PEPCK, T. cruzi, PEPCK, Trypanosoma cruzi, Phosphoenolpyruvate Carboxykinase, ATP-Dependent
| phobophobia |
a morbid fear of developing a phobia
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| phocomelia |
an abnormality of development in which the upper part of an arm or leg is missing so the hands or feet are attached to the body like stumps; rare condition that results from taking thalidomide during pregnancy
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| phonation |
voice: the sound made by the vibration of vocal folds modified by the resonance of the vocal tract; "a singer takes good care of his voice"; "the giraffe cannot make any vocalizations"
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| photometer |
measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source light meter: photographic equipment that measures the intensity of light
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| phone |
telephone: electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds; "I talked to him on the telephone" (phonetics) an individual sound unit of speech without concern as to whether or not it is a phoneme of some language earphone: electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear; "it was not the typing but the earphones that she disliked" call: get or try to get into communication (with someone) by telephone; "I tried to call you all night"; "Take two aspirin and call me in the morning"
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| PHO | of or relating to a phonogram |
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| PHO | machine in which rotating records cause a stylus to vibrate and the vibrations are amplified acoustically or electronically |
| PHO | an album for holding phonograph records |
| PHO | a stylus that formerly made sound by following a groove in a phonograph record |
| PHO | sound recording consisting of a disc with continuous grooves |
| PHO | sound recording consisting of a disc with continuous grooves |
| PHO | a disk coated with cellulose acetate |
| PHO | of or relating to phonology |
| PHO | the system of phones used in a particular language |
| PHO | of or relating to phonology |
| PHO | the system of phones used in a particular language |
| PHO | a specialist in phonology |