| bis- | 1. Prefix signifying two or twice. 2. In chemistry, used to denote, the presence of two identical but separated complex groups in one molecule. Compare: bi-, di-. Origin: L. (05 Mar 2000) |
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| bis(2-ethylhexyl)phthalate esterase | <enzyme> Catalyses cleavage of the mass produced plasticiser, dehp Registry number: EC 3.1.1.- Synonym: dehp esterase (26 Jun 1999) |
| bis(chloromethyl) ether | <chemical> Sym-dlchloromethyl ether. A substance that is an irritant to the eyes and respiratory tract and may be carcinogenic. Pharmacological action: carcinogens, irritants. Chemical name: Methane, oxybis(chloro- (12 Dec 1998) |
| bis-gamma-glutamylcystine reductase | <enzyme> From halobacterium halobium; specific for NADPH Registry number: EC 1.6.4.- Synonym: bis-ggc reductase (26 Jun 1999) |
| bis in die | Twice a day. Origin: L. (05 Mar 2000) |
| bis(monoacylglycero)phosphate synthetase | <enzyme> Converts phosphatidylglycerol, 1-acyl- or 2-acyllysophosphatidylglycerol to bis(monoacylglycero)phosphate Registry number: EC 2.3.1.- (26 Jun 1999) |
| guanosine-3',5'-bis(diphosphate) 3'-pyrophosphatase | <enzyme> Catalyses breakdown of guanosine tetraphosphate into guanosine diphosphate and pyrophosphate; spot protein is isolated from e. Coli Registry number: EC 3.1.7.2 Synonym: ppgpp-3'-pyrophosphohydrolase, guanosine tetraphosphate-3'-pyrophosphohydrolase, spot protein, spot gene product, ppgpp pyrophosphorylase, ppgppase, guanosine-5'-diphosphate 3'-diphosphate pyrophosphorylase (26 Jun 1999) |
| 1,4-bis(5-phenyloxazol-2-yl)benzene | A liquid scintillation agent used in radioisotope measurement. (05 Mar 2000) |
| 2,2-bis(4-chlorophenyl)acetate O-glucosyltransferase | <enzyme> Catalyses the metabolism of dda, the carboxylic acid of the insecticide ddt, to its acylglucoside; mw approx 50 kD; isoelectric point 4.9 Registry number: EC 2.4.1.- Synonym: soybean o-glucosyltransferase, dda glucosyltransferase, dda-acylglucoside synthase (26 Jun 1999) |
| 2,5-bis(5-t-butylbenzoxazol-2-yl)thiophene | A scintillator used in radioactivity measurements by scintillation counting. Acronym: BBOT (05 Mar 2000) |
| administration, oral | The giving of drugs, chemicals, or other substances by mouth. (12 Dec 1998) |
| cancer, oral | Cancer of the mouth area. A sore in the mouth that does not heal can be a warning sign of oral cancer. A biopsy is the only to know whether as abnormal area in the oral cavity is cancer. Oral cancer is caused by tobacco (smoking and chewing) and alcohol use. Surgery to remove the tumour in the mouth is the usual treatment for patients with oral cancer. (12 Dec 1998) |
| candidiasis, oral | Infection of the mucous membranes of the mouth by a fungus of the genus candida. (12 Dec 1998) |
| canine oral papilloma | Warts affecting mucous membranes of young dogs; caused by a papillomavirus. (05 Mar 2000) |
| magnesia and alumina oral suspension | A mixture of magnesium hydroxide and variable amounts of aluminum oxide; used as an antacid. (05 Mar 2000) |