| DES | <drug> A synthetic oestrogen (originally prescribed to prevent miscarriage) that caused malformations of the reproductive organs in some who were exposed to the drug during foetal development. (09 Oct 1997) |
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| des(121-124)-ribonuclease | <enzyme> Deriv of ribonuclease EC 3.1.4.22 Registry number: EC 3.1.4.- Synonym: des(121-124)-rnase (26 Jun 1999) |
| des- | <chemistry, prefix> A prefix indicating absence of some component of the principal part of the name; largely replaced by de-(e.g., deoxyribonucleic acid, dehydro-) but retained where "de" could be taken for d or d, as part of "desmo" (e.g., desmosterol), and in such terms as desoxycortone. (05 Mar 2000) |
| desacetoxycephalosporin C synthetase | <enzyme> Oxidatively expands penicillin n ring; requires ferrous ions, ascorbate and alpha-ketoglutarate Registry number: EC 1.3.99.- Synonym: da-cephalosporin c synthase (26 Jun 1999) |
| desacetoxyvindoline 4-hydroxylase | <enzyme> 2-oxoglutarate-dependent enzyme from catharanthus roseus; requires fe and ascorbate; catalyses the next to last step in biosynthesis of vindoline from tryptophan; may be identical to EC 1.14.11.11 Registry number: EC 1.14.11.- Synonym: desacetoxyvindoline 4-dioxygenase, dav 4-hydroxylase, d4h gene product (26 Jun 1999) |
| desalting | To remove salt. (09 Oct 1997) |
| desamidise | To perform deamidation. Synonym: desamidise. (05 Mar 2000) |
| desaturase | Any of several enzymes that putdouble bonds into the hydrocarbon areasof fatty acids. (09 Oct 1997) |
| desaturate | To produce desaturation. (05 Mar 2000) |
| desaturation | The act, or the result of the act, of making something less completely saturated; more specifically, the percentage of total binding sites remaining unfilled, e.g., when haemoglobin is 70% saturated with oxygen and nothing else, its desaturation is 30%. Compare: saturation. (05 Mar 2000) |
| desault dislocation | <radiology> Volar displacent of a dislocation of the distal radius (12 Dec 1998) |
| Desault's bandage | A bandage for fracture of the clavicle; the elbow is bound to the side, with a pad placed in the axilla. (05 Mar 2000) |
| Desault, Pierre | <person> French surgeon, 1744-1795. See: Desault's bandage. (05 Mar 2000) |
| Descartes' law | For two given media, the sine of the angle of incidence bears a constant relation to the sine of the angle of refraction. Synonym: Descartes' law, Snell's law. (05 Mar 2000) |
| Descartes, Rene | <person> French philosopher, mathematician, physiologist, 1596-1650. The founder of modern philosophy and proponent of the mechanistic school or iatromathematical school. See: Descartes' law. (05 Mar 2000) |
| maladie des jambes | Ill-defined disease seen among rice-growers in Louisiana. (05 Mar 2000) |
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| peste des petits ruminants virus | A highly contagious systemic disease of sheep and goats in West Africa, caused by a morbillivirus called peste des petits ruminants virus. It is characterised by fever, anorexia, a necrotic stomatitis with gingivitis, diarrhoea and can often cause a severe, often fatal enteritis and pneumonia. (20 Sep 2002) |
| complement 5a, des-arginine | Complement 5a with the carboxy-terminal arginine removed. The arginine is rapidly cleaved from the c5a fragment during complement activation by carboxypeptidase b present in normal human serum. C5a des-arg shows complete loss of spasmogenic activity though it retains some chemotactic ability. (12 Dec 1998) |
| Corvisart des Marets | Baron Jean N., French clinician, 1755-1821. See: Corvisart's facies. (05 Mar 2000) |