| oxygenase | <enzyme> That catalyses the incorporation of the oxygen of molecular oxygen into organic substrates. Dioxygenases (oxygen transferases) catalyse introduction of both atoms of molecular oxygen, monoxygenases (mixed function oxygenases) introduce one atom, the other becomes reduced to water, so that these enzymes require a second substrate, acting as oxygen donor. Both types are used by bacteria in degradation of aromatic compounds. Dioxygenases all contain iron, for example tryp 2, 3 dioxygenase. Examples of mono oxygenases are the enzymes that hydroxylate proline and lysine of collagen, using ketoglutarate. (18 Nov 1997) |
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| oxygenases | <enzyme> Registry number: EC 1.13. (12 Dec 1998) |
| oxygenate | <chemistry> To unite, or cause to combine, with oxygen; to treat with oxygen; to oxidize; as, oxygenated water (hydrogen dioxide). Origin: Cf. F. Oxygener. Source: Websters Dictionary (01 Mar 1998) |
| oxygenated haemoglobin | <physiology> See Hemoglobin. Origin: Oxy- + haemoglobin, hemoglobin. Source: Websters Dictionary (01 Mar 1998) |
| oxygenation | The process of supplying, treating or mixing with oxygen. (18 Nov 1997) |
| oxygenators | Devices which mechanically oxygenate venous blood extracorporeally. They are used in combination with one or more pumps for maintaining circulation during open heart surgery and for assisting the circulation in patients seriously ill with some cardiac and pulmonary disorders. (12 Dec 1998) |
| oxygenators, membrane | Devices in which blood and oxygen are separated by a semipermeable membrane, generally of teflon or polypropylene, across which gas exchange occurs. The membrane may be arranged as a series of parallel plates or as a number of hollow fibres; in the latter arrangement, the blood may flow inside the fibres, which are surrounded by gas, or the blood may flow outside the fibres and the gas inside the fibres. (12 Dec 1998) |
| oxygenic | <chemistry> Pertaining to, containing, or resembling, oxygen; producing oxygen. Source: Websters Dictionary (01 Mar 1998) |
| oxygenic photosynthesis | Use of light energy to synthesise ATP and NADPH by noncyclic photophosphorylation with the production of oxygen from water. (09 Oct 1997) |
| oxygenise | To oxidise with oxygen. (05 Mar 2000) |
| oxygenium | <chemistry> The technical name of oxygen. Source: Websters Dictionary (01 Mar 1998) |
| oxygenizable | <chemistry> Oxidizable. Source: Websters Dictionary (01 Mar 1998) |
| oxygenize | <chemistry> To oxidize. Origin: Oxygenised; Oxygenizing. Source: Websters Dictionary (01 Mar 1998) |
| oxygeusia | Synonym: hypergeusia. Origin: G. Oxys, acute, + geusis, taste (05 Mar 2000) |
| oxygon | <geometry> A triangle having three acute angles. Origin: Gr. Sharp + an angle: cf.F. Oxygone. Source: Websters Dictionary (01 Mar 1998) |
Synonyms : Acetfenolisatin, Diasatine, Isocrin, Oxyphenisatine, Warner Chilcott Brand of Oxyphenisatin Acetate, Acetate, Oxyphenisatin
Synonyms : 2-((Cyclohexylhydroxyphenylacetyl)oxy)-N, N-diethyl-N-methylethanaminium, Atrenyl, Metacin, Methacin, Oxyphenon, Oxyphenonium Bromide, (+)-Isomer, Oxyphenonium Bromide, (+-)-Isomer, Oxyphenonium Bromide, (-)-Isomer, Oxyphenonium Iodide, (R)-Isomer, Spastrex
Synonyms : Askenazy Cells, Cells, Askenazy, Cells, Hurthle, Cells, Oxyphil
Synonyms :
Synonyms : 8-Hydroxyquinoline, 8-Hydroxyquinoline Sulfate, 8-Oxyquinoline, Bioquin, Chinosol, Chinosol Brand of Oxyquinoline Potassium Sulfate (2:1), Khinozol, Leioderm, Oxyquinoline Potassium Sulfate (2:1), Oxyquinoline Sulfate, Quinosol, Superol, 8 Hydroxyquinoline
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| oxygen debt |
cumulative deficiency of oxygen that develops in the body during periods of intense activity and must be made good when the body activity returns to a normal level. In patients with severe pulmonary insufficiency, climbing a step or two can be considered 'intense activity'
Ãâó: members.tripod.com/noairtogo/gloss.htm
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| oxygen |
A gas present in air that is vital to life.
Ãâó: www.bdid.com/termso.htm
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| oxygen |
The most abundant metal in the universe, and the third most abundant element overall, after hydrogen and helium. Oxygen has atomic number eight and is produced by massive stars-those born with over eight Solar masses-which eject the element into the Galaxy when they explode.
Ãâó: www.angelfire.com/stars5/astroinfo/gloss/o.html
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| oxytocin |
A naturally secreted hormone that is important in milk letdown and the contraction of the smooth uterine muscles during the birthing process.
Ãâó: www.epa.gov/agriculture/ag101/dairyglossary.html
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| oxalic acid poisoning |
Oxalic acid is a vegetable acid. When taken in the state of concentrated solution it acts as a corrosive, but when diluted as an irritant. But it also exerts a specific effect, killing the patient by cardiac syncope not infrequently within a few minutes. When a person after taking a crystalline substance, tasting strongly acid, dies within 15 or 30 minutes, after the manifestation of great weakness, small pulse and failure of the hearts power, poisoning by oxalic acid is almost certain. ...
Ãâó: www.antiquusmorbus.com/English/Poison.htm
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