| sod | bicarb sodium bicarbonate |
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| SRD | service-related disability; Society for the Relief of Distress; Society for the Right to Die; sodium... |
| SSC | single-strand conformational [analysis]; sister strand crossover; somatosensory cortex; standard sal... |
| SST | sodium sulfite titration; somatostatin |
| STD | selective T-cell defect; sexually transmitted disease; skin-to-tumor distance; skin test dose; sodiu... |
| cromolyn sodium | <chemical> A chromone complex that acts by inhibiting the release of chemical mediators from sensitised mast cells. It is used in the prophylactic treatment of both allergic and exercise-induced asthma, but does not affect an established asthmatic attack. Pharmacological action: anti-asthmatic agents. Chemical name: 4H-1-Benzopyran-2-carboxylic acid, 5,5'-((2-hydroxy-1,3-propanediyl)bis(oxy))bis(4-oxo-, disodium salt (12 Dec 1998) |
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| potassium sodium tartrate | KNaC4H4O6;a mild saline cathartic, used as an ingredient in compound effervescent powders. Synonym: Rochelle salt, Seignette's salt, sodium potassium tartrate. (05 Mar 2000) |
| pravastatin sodium | Antihyperlipoproteinaemic. An HMG-Co reductase inhibitor resembling lovastatin and simvastatin, which inhibits cholesterol formation. (05 Mar 2000) |
| hexobarbital sodium | Sodium 5-(1-cyclohexen-1-yl)-1,5-dimethylbarbiturate;a barbiturate sedative and hypnotic of short duration. (05 Mar 2000) |
| hydrocortisone sodium succinate | A very soluble ester salt of hydrocortisone (cortisol), used parenterally in the management of emergencies resulting from acute adrenal insufficiency. (05 Mar 2000) |
| sodium | <chemistry>, element> Sodium is a soft, silvery, highly reactive alkali metal which has an atomic number of 11 and an atomic weight of 22.990. It is most commonly found in the form of salt, sodium chloride (NaCl). It was first identified as an element by the English scientist Sir Humphrey Davy in 1807. Sodium chloride is a critical nutrient in humans (it plays an important role in nerve function), but too much of it can cause health problems such as aggravating high blood pressure. Pure metallic sodium is a fire hazard, and it can explode if it comes into contact with water. Other commonly used sodium compounds include soda ash (sodium carbonate, Na2CO3), baking soda (sodium bicarbonate, NaHCO3) and caustic soda (sodium hydroxide, NaOH). Abbreviation: Na (09 Oct 1997) |
| sodium-24 | The isotope of sodium with an atomic weight of 24, and a half-life of 14.96 hr; it emits beta and gamma rays, and is more easily prepared than the longer-lived, positron-emitting 22Na (half-life, 2.605 yr). It is used to measure extracellular fluid by indicator dilution. (05 Mar 2000) |
| sodium acetate | <chemical> The trihydrate sodium salt of acetic acid, which is used as a source of sodium ions in solutions for haemodialysis and peritoneal dialysis. It has also been used as a systemic and urinary alkaliser, diuretic, and expectorant. Pharmacological action: diuretics, expectorants, pharmaceutic aid. (12 Dec 1998) |
| sodium alginate | <plant biology> This gelatinous material, a polysaccharide extract from brown algae, is widely used in foods, medicines, and industrial and household products. The main algae that produce it are Laminaria species and Macrocystispyrifera (a chemically different version of algin is produced by the bacterium Azobacter vinelandii.) (09 Oct 1997) |
| sodium aminosalicylate | C6H3(p-NH2)(o-OH)-COONa-2H2O;used for the same purposes as aminosalicylic acid. (05 Mar 2000) |
| sodium ammonium ATPase | <enzyme> Aspect of atpase, EC 3.6.1.3 Registry number: EC 3.6.1.- Synonym: ammonium potassium atpase, na nh4 atpase, atpase, sodium ammonium (26 Jun 1999) |
| sodium antimonylgluconate | 1. Pentavalent sodium stibogluconate;Pentavalent sodium stibogluconate, used in the treatment of all types of leishmaniasis; toxic effects are frequent. Synonym: antimony sodium gluconate. 2. Trivalent sodium stibogluconate;Trivalent antimony sodium gluconate, used in the treatment of schistosomiasis; toxic effects are frequent. Synonym: sodium antimonylgluconate. (05 Mar 2000) |
| sodium antimonyl tartrate | Na(SbO)C4H4O6;used in the treatment of schistosomiasis, and as an emetic. Synonym: sodium antimonyl tartrate. (05 Mar 2000) |
| sodium arsanilate | H2N-C6H4-AsO(OH)(ONa)-3H 2O; a compound that was one of the first modern pentavalent arsenicals. Synonym: sodium arsanilate. (05 Mar 2000) |
| sodium ascorbate | Same actions and uses as ascorbic acid; it is preferred for intramuscular administration. (05 Mar 2000) |