| LS | lateral suspensor; left sacrum; left septum; left side; legally separated; leiomyosarcoma; length of... |
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| MESNA | [sodium 2-]mercaptoethanesulfonate |
| MPSS | methylprednisolone sodium succinate; Music Performance Stress Study |
| Na | Avogadro number; sodium [Lat. natrium] |
| NaD | sodium dialysate |
para-amino salicylic acid
| sodium methicillin | Sodium 2,6-dimethoxyphenylpenicillin monohydrate;a semisynthetic penicillin salt for parenteral administration; restriction of its use to infections caused by penicillin G-resistant staphylococci is recommended; it is less effective than penicillin G in infections caused by haemolytic streptococci, pneumococci, gonococci, and penicillin G-sensitive staphylococci. Synonym: sodium methicillin. (05 Mar 2000) |
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| sodium methylarsonate | Ch3H5O(ONa)2-5H2O; disodium monomethyl arsonate;formerly used in tuberculosis, chorea, and other affections in which the cacodylates were used. (05 Mar 2000) |
| sodium methylprednisolone succinate | Sodium 6-methylprednisolone 21-succinate;it has the same metabolic and anti-inflammatory actions as the parent compound, methylprednisolone; because of its solubility it can be administered in small volumes. (05 Mar 2000) |
| sodium morrhuate | <chemical> The sodium salts of the fatty acids in cod liver oil; an irritant and sclerosing agent used to treat varicose veins and arthritic joints. Pharmacological action: sclerosing solutions. Chemical name: Sodium morrhuate (12 Dec 1998) |
| sodium nitrate | NaNO3;formerly used for dysentery and as a diuretic. Synonym: Chilean saltpeter, cubic niter. (05 Mar 2000) |
| sodium nitrite | <chemical> Nitrous acid sodium salt. Used in many industrial processes, in meat curing, colouring, and preserving, and as a reagent in analytical chemistry. It is used therapeutically as an antidote in cyanide poisoning. The compound is toxic and mutagenic and will react in vivo with secondary or tertiary amines thereby producing highly carcinogenic nitrosamines. Pharmacological action: antidotes, food preservatives, indicators and reagents, mutagens. Chemical name: Nitrous acid, sodium salt (12 Dec 1998) |
| sodium nitroferricyanide | (Na2FeCCN)5NO-5H2O;a rapidly acting and potent arterial and venous vasodilator used in hypertensive emergencies and administered intravenously. Acts in a manner similar to vasodilator nitrates and nitrites by donating nitric oxide which produces vasodilation; also used as a reagent for detection of organic compounds in the urine. Synonym: sodium nitroferricyanide. (05 Mar 2000) |
| sodium nitroprusside | (Na2FeCCN)5NO-5H2O;a rapidly acting and potent arterial and venous vasodilator used in hypertensive emergencies and administered intravenously. Acts in a manner similar to vasodilator nitrates and nitrites by donating nitric oxide which produces vasodilation; also used as a reagent for detection of organic compounds in the urine. Synonym: sodium nitroferricyanide. (05 Mar 2000) |
| sodium nucleate | Sodium salts of yeast acids, used in the treatment of anaemias, rheumatism, and gout. (05 Mar 2000) |
| sodium orthophosphate | Na2HPO4-H2O;a laxative. Synonym: dibasic sodium phosphate, sodium orthophosphate. Sodium phosphate P 32, anionic radioactive phosphorus in the form of a solution of sodium acid phosphate and sodium basic phosphate; a beta emitter with a half-life of 14.3 days; after administration, highest concentrations are found in rapidly proliferating tissues; it is used in the treatment of polycythemia vera, chronic myelogenous leukaemia, and osseous metastases. See: chromic phosphate P 32 colloidal suspension. (05 Mar 2000) |
| sodium oxybate | <chemical> Sodium 4-hydroxybutyrate. Anaesthetic used for both induction and maintenance. It may cause bradycardia and dyskinesias. Sodium oxybate has been supplied illicitly as a drug of abuse promoted for body building, and weight loss. Pharmacological action: anaesthesia adjuvants, anaesthetics, intravenous. Chemical name: Butanoic acid, 4-hydroxy-, monosodium salt (12 Dec 1998) |
| sodium p-aminohippurate | Used intravenously in renal function tests, to determine the renal plasma flow and the tubular excretion. (05 Mar 2000) |
| sodium p-aminophenylarsonate | 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 perborate | NaBO2H2O2-3H2O;used in the extemporaneous preparation of hydrogen peroxide; a 2% solution is equivalent in germicidal action to 0.4% of hydrogen peroxide. (05 Mar 2000) |
| sodium peroxide | Na2O2;used externally as a paste or soap in the treatment of comedones and acne. (05 Mar 2000) |