Copy of `mondofacto - Online Medical Dictionary`
The wordlist doesn't exist anymore, or, the website doesn't exist anymore. On this page you can find a copy of the original information. The information may have been taken offline because it is outdated.
|
|
|
mondofacto - Online Medical Dictionary
Category: Health and Medicine > Medical Dictionary
Date & country: 26/01/2008, UK
Words: 116197
|
nil disease<nephrology> A disorder of the kidneys which largely affects the glomerulus. This disorder is one common cause of nephrotic syndrome in children affecting 2-3 children per 100,000 population under age 16 in the USA. Minimal change disease is also seen rarely in adults. The cause is unknown but may be related to an autoimmune illness. Risk fac …
Nile blue AA basic oxazin dye, C20H20N3OCl, used as a fat and vital stain, and in Kittrich's stain; as an indicator, it changes from blue to purplish red at pH 10 to 11. ... (05 Mar 2000) ...
nim1 protein kinase<enzyme> Dual function protein kinase which autophosphorylates serine and tyrosine residues; acts as positive regulator of mitosis by down-regulating the wee1 protein kinase pathway in yeast; has been sequenced; nim1 is also known as cdr1 ... Registry number: EC 2.7.1.- ... Synonym: nim1 gene product, cdr1 gene product ... (26 Jun 1999) ...
nimbleOrigin: OE. Nimel, prob. Orig, quick at seizing, fr. Nimen to take, AS. Niman; akin to D. Nemen, G. Nehmen, OHG. Neman, Icel. Nema, Goth. Nima, and prob. To Gr. To distribute. ... Light and quick in motion; moving with ease and celerity; lively; swift. 'Through the mid seas the nimble pinnace sails.' (Pope) ... Nimble is sometimes used in the formati …
nimbusOrigin: L, a rain storm, a rain cloud, the cloudshaped which enveloped the gods when they appeared on earth. ... 1. A circle, or disk, or any indication of radiant light around the heads of divinities, saints, and sovereigns, upon medals, pictures, etc.; a halo. See Aureola, and Glory. ... 'The nimbus is of pagan origin.' 'As an atribute of power, th …
nimodipine<chemical> A calcium channel blockader with preferential cerebrovascular activity. It has marked cerebrovascular dilating effects, lowers blood pressure, and is effective in the therapy and/or prevention of cerebral vasospasm caused by stroke, cerebral haemorrhage, aneurysm, severe head injury, or cerebral ischemia. ... Pharmacological action: …
nimorazole<chemical> 1-[2-(5-nitroimidazole-1-yl)ethyl]morpholine. An antitrichomonal agent which is effective either topically or orally and whose urinary metabolites are also trichomonicidal. ... Pharmacological action: antitrichomonal agents. ... Chemical name: Morpholine, 4-(2-(5-nitro-1H-imidazol-1-yl)ethyl)- ... (12 Dec 1998) ...
nimustine<chemical> N'-((4-amino-2-methyl-5-pyrimidinyl)methyl)-n-(2-chloroethyl)-n-nitrosourea. Antineoplastic agent especially effective against malignant brain tumours. The resistance which brain tumour cells acquire to the initial effectiveness of this drug can be partially overcome by the simultaneous use of membrane-modifying agents such as rese …
nineEight and one more; one less than ten; as, nine miles. Nine men's morris. See Morris. ... <geometry> Nine points circle, a circle so related to any given triangle as to pass through the three points in which the perpendiculars from the angles of the triangle upon the opposite sides (or the sides produced) meet the sides. It also passes through …
nine mile feverSynonym for Q fever ... <infectious disease> An acute (abrupt-onset), self-limited febrile illness first reported in 1935 in Queensland, Australia. The Q is said not to be for Queensland, but for query since the cause of the disease was long a query (question mark). ... It is caused by the bacterium Coxiella burnetii, a rickettsia which mainly …
ninhydrin<chemical> 2,2-dihydroxy-1h-indene-1,3-(2h)-dione. Reagent toxic to skin and mucus membranes. It is used in chemical assay for peptide bonds, i.e., protein determinations and has radiosensitizing properties. ... Pharmacological action: indicators and reagents, radiation-sensitizing agents. ... Chemical name: 1H-Indene-1,3(2H)-dione, 2,2-dihydro …
ninhydrin reaction<technique> A technique for detecting amino acids and proteins by heating a material with ninhydrin, if amino molecules are present, there is a colour reaction. ... (09 Oct 1997) ...
ninhydrin-Schiff stain<technique> For proteins, proteins are revealed by using ninhydrin or alloxan to produce aldehydes from primary aliphatic amines by oxidative deamination; the aldehydes are shown by reaction with Schiff's reagent. ... (05 Mar 2000) ...
ninth cranial nerveSynonym for glossopharyngeal nerve ... <anatomy, nerve> The glossopharyngeal nerve enervates muscles involved in swallowing and taste. Lesions of the ninth nerve result in difficulty swallowing and disturbance of taste. ... Synonym: cranial nerve IX. ... (27 Sep 1997) ...
ninth-day erythemaAn obsolete term for a nontoxic eruption that simulates measles or a toxic erythema, occurring usually on the ninth day of a course of medication; first described as a reaction to arsenical treatment of syphilis. ... Synonym: Milian's disease, Milian's erythema. ... (05 Mar 2000) ...
nip1. A seizing or closing in upon; a pinching; as, in the northern seas, the nip of masses of ice. ... 2. A pinch with the nails or teeth. ... 3. A small cut, or a cutting off the end. ... 4. A blast; a killing of the ends of plants by frost. ... 5. A biting sarcasm; a taunt. ... 6. A short turn in a rope. Nip and tuck, a phrase signifying equality in a c …
Nipkow disk<microscopy> An opaque circular disk perforated with small holes arranged at equal angular separations and in an Archimedes spiral. The holes trace a raster scanning pattern when the disk is spun around its centre. The Nipkow disk was used in early experiments on television and more recently in Petrans confocal microscope. ... (05 Aug 1998) …
nipple1. <anatomy> The protuberance through which milk is drawn from the breast or mamma; the mammilla; a teat; a pap. ... 2. The orifice at which any animal liquid, as the oil from an oil bag, is discharged. ... 3. Any small projection or article in which there is an orifice for discharging a fluid, or for other purposes; as, the nipple of a nursing …
nipple lineSynonym for mamillary line ... A vertical line passing through the nipple on either side. ... Synonym: linea mamillaris, nipple line. ... (05 Mar 2000) ...
nipple shieldA cap or dome placed over the nipple to protect it during nursing. ... (05 Mar 2000) ...
nipple, supernumeraryAn extra nipple. ... (12 Dec 1998) ...
nipplesThe conic organs which usually give outlet to milk from the mammary glands. ... (12 Dec 1998) ...
nippostrongylusA genus of intestinal nematode parasites belonging to the superfamily heligmosomatoidea, which commonly occurs in rats but has been experimentally transmitted to other rodents and rabbits. Infection is usually through the skin. ... (12 Dec 1998) ...
niridazole<chemical> An antischistosomal also used in the treatment of intestinal and extraintestinal amebiasis and in dracunculiasis, administered orally. ... Pharmacological action: amebicides, schistosomicides. ... Chemical name: 2-Imidazolidinone, 1-(5-nitro-2-thiazolyl)- ... (12 Dec 1998) ...
nirvana principleIn psychoanalysis, the principle that expresses the tendency toward the death instinct. ... (05 Mar 2000) ...
nisin<chemical> A 34-amino acid polypeptide antibiotic produced by streptococcus lactis. It has been used as a food preservative in canned fruits and vegetables, and cheese. ... Pharmacological action: antibiotics, peptide, food preservatives. ... Chemical name: Nisin ... (12 Dec 1998) ...
nisoldipine<chemical> 1,4-dihydro-2,6-dimethyl-4 (2-nitrophenyl)-3,5-pyridinedicarboxylic acid methyl 2-methylpropyl ester. Nisoldipine is a dihydropyridine calcium channel antagonist that acts as a potent arterial vasodilator and antihypertensive agent. It is also effective in patients with cardiac failure and angina. ... Pharmacological action: antihyp …
NissenRudolf, Swiss surgeon, *1896. ... See: Nissen's operation. ... (05 Mar 2000) ...
nissen fundoplication<procedure, surgery> A special surgical procedure known as Nissen fundoplication is useful in those patients who fail medical management for the treatment of reflux oesophagitis. ... By manipulating the lower oesophagus and stomach, a zone of increased pressure is created in the lower oesophagus. The increase in intraluminal pressure will disc …
Nissen's operationSynonym for fundoplication ... Mobilization of the lower end of the oesophagus and plication of the fundus of the stomach around it (fundic wrapping) in the treatment of gastroesophageal reflux that may be associated with various disorders, such as hiatal hernia. ... (12 Dec 1998) ...
NisslFranz, German neurologist, 1860-1919. ... See: Nissl bodies, Nissl degeneration, Nissl granules, Nissl substance, Nissl's stain. ... (05 Mar 2000) ...
nissl bodiesLarge granular basophilic bodies found in the cytoplasm of neurons, composed of rough endoplasmic reticulum and free polyribosomes. ... (12 Dec 1998) ...
Nissl degenerationDegeneration of the cell body occurring after transection of the axon; characterised by dispersion of the granular endoplasmic reticulum, swelling of the soma, and an eccentric position of the nucleus of the cell. ... (05 Mar 2000) ...
Nissl granule<cell biology> Discrete clumps of material seen by phase contrast microscopy in the perikaryon of some neurons, particularly motor neurons. ... They are basophilic and contain much RNA, are actually regions very rich in rough endoplasmic reticulum. Their reaction following damage to neurons is characteristic, they disperse through the cytoplas …
Nissl granulesSynonym for Nissl substance ... The material consisting of granular endoplasmic reticulum and ribosomes that occurs in nerve cell bodies and dendrites. ... Synonym: basophil substance, basophilic substance, chromophil substance, Nissl bodies, Nissl granules, substantia basophilia, tigroid bodies, tigroid substance. ... (05 Mar 2000) ...
Nissl substanceThe material consisting of granular endoplasmic reticulum and ribosomes that occurs in nerve cell bodies and dendrites. ... Synonym: basophil substance, basophilic substance, chromophil substance, Nissl bodies, Nissl granules, substantia basophilia, tigroid bodies, tigroid substance. ... (05 Mar 2000) ...
Nissl's stain<technique> A method for staining nerve cells with basic fuchsin, a method for staining aggregates of rough endoplasmic reticulum and ribosomes in neuronal cell bodies and dendrites with basic dyes such as cresyl violet (or cresyl echt violet), thionine, toluidin blue O, or methylene blue. ... (05 Mar 2000) ...
nit<zoology> The egg of a louse or other small insect. ... <botany> Nit grass, a pretty annual European grass (Gastridium lendigerum), with small spikelets somewhat resembling a nit. It is also found in California and Chili. ... Origin: AS. Hnitu; akin to D. Neet, G. Niss, OHG. Niz; cf. Gr, Icel. Gnit, Sw. Gnet, Dan. Gnid, Russ. & Pol. G …
NitabuchRaissa, 19th century German physician. ... See: Nitabuch's layer, Nitabuch's membrane, Nitabuch's stria. ... (05 Mar 2000) ...
Nitabuch's layerSynonym for Nitabuch's membrane ... A layer of fibrin between the boundary zone of compact endometrium and the cytotrophoblastic shell in the placenta. ... Synonym: Nitabuch's layer, Nitabuch's stria. ... (05 Mar 2000) ...
Nitabuch's membraneA layer of fibrin between the boundary zone of compact endometrium and the cytotrophoblastic shell in the placenta. ... Synonym: Nitabuch's layer, Nitabuch's stria. ... (05 Mar 2000) ...
Nitabuch's striaSynonym for Nitabuch's membrane ... A layer of fibrin between the boundary zone of compact endometrium and the cytotrophoblastic shell in the placenta. ... Synonym: Nitabuch's layer, Nitabuch's stria. ... (05 Mar 2000) ...
NitellaCharacean alga that has giant, multinucleate internodal cells. These show cytoplasmic streaming at rates of up to 100 m/sec and have been used as models for motile phenomena in cells and in studies on ionic movement. ... (18 Nov 1997) ...
niterSynonym: potassium nitrate. ... Origin: G. Nitron, soda, formerly not distinguished from potash ... (05 Mar 2000) ...
niter paperPaper impregnated with potassium nitrate that is ignited to produce fumes inhaled as treatment for asthma. ... Synonym: potassium nitrate paper, saltpeter paper. ... Occluding paper, an inked paper or ribbon interposed between natural or artificial teeth to determine tooth contacts. ... Synonym: articulating paper. ... (05 Mar 2000) ...
nitinol filterA vena cava filter made with a metal that springs into shape when warmed to body heat by the blood after catheter insertion. ... (05 Mar 2000) ...
nitonArchaic term for radon. ... (05 Mar 2000) ...
nitracrine<chemical> Acridine antineoplastic agent used in mammary and ovarian tumours. It inhibits RNA synthesis. ... Pharmacological action: antineoplastic agent, nucleic acid synthesis inhibitors. ... Chemical name: 1,3-Propanediamine, N,N-dimethyl-N'-(1-nitro-9-acridinyl)- ... (12 Dec 1998) ...
nitratase<enzyme> Anaerobic bacteria convert nitrate to free nitrogen ... Registry number: EC 1.7.99.- ... (26 Jun 1999) ...
nitrate reductase<enzyme> Narg, narh, nari, and narj are subunits of membrane-bound nitrate reductase from denitrifying bacteria ... Registry number: EC 1.7.99.4 ... Synonym: respiratory nitrate reductase, nasb gene product, narb gene product, niad gene product, narg gene product, narh gene product, nari gene product, narj gene product ... (26 Jun 1999) ...
nitrate reductases<enzyme> Registry number: EC 1.- ... (12 Dec 1998) ...
nitrate respirationThe process of respiration used by some anaerobic organisms, in which nitrate rather than molecular oxygen is used to oxidise organic molecules to obtain energy. ... (05 Mar 2000) ...
nitratesA group of medications that are made from a chemical with a nitrogen base. Nitrates relax smooth muscle, dilate veins, lower blood pressure and improve blood flow through the coronary arteries. ... Examples include: nitroglycerin, erythrityl tetranitrate, isosorbide dinitrate, isosorbide mononitrate and pentaerythritol tetranitrate. ... (27 Sep 1997) …
nitrazepam<chemical> 1,3-dihydro-7-nitro-5-phenyl-2h-1,4-benzodiazepin-2-one. A benzodiazepine derivative used as an anticonvulsant and hypnotic. ... Pharmacological action: anti-anxiety agents, anticonvulsants, gaba modulators, sedatives, nonbarbiturate. ... Chemical name: 2H-1,4-Benzodiazepin-2-one, 1,3-dihydro-7-nitro-5-phenyl- ... (12 Dec 1998) ...
nitre1. <chemistry> A white crystalline semitransparent salt; potassium nitrate; saltpeter. See Saltpeter. ... 2. <chemistry> Native sodium carbonate; natron. 'For though thou wash thee with niter, and take thee much soap, yet thine iniquity is marked before me.' (Jer. Ii. 22) Cubic niter, a deliquescent salt, sodium nitrate, found as a nativ …
nitrendipine<chemical> Ethyl methyl 2,4-dihydro-2,6-dimethyl-4- (3-nitrophenyl)-3,5-pyridinedicarboxylate. A calcium channel blocker with marked vasodilator action. It is an effective antihypertensive agent and differs from other calcium channel blockers in that it does not reduce glomerular filtration rate and is mildly natriuretic, rather than sodium r …
nitric<chemistry> Of, pertaining to, or containing, nitrogen; specifically, designating any one of those compounds in which, as contrasted with nitrous compounds, the element has a higher valence; as, nitric oxide; nitric acid. Nitric acid, a colourless or yellowish liquid obtained by distilling a nitrate with sulphuric acid. It is powerfully corro …
nitric acid<chemical> Nitric acid (hno3). A colourless liquid that is used in the manufacture of inorganic and organic nitrates and nitro compounds for fertilisers, dye intermediates, explosives, and many different organic chemicals. Continued exposure to vapor may cause chronic bronchitis; chemical pneumonitis may occur. ... Chemical name: Nitric acid
nitric acid reductase
<enzyme> Found in pseudomonas stutzerie; transforms nitric oxide to nitrous oxide in an ascorbate-phenazine methosulfate-dependent reaction; not EC 1.7.99.2 ... Registry number: EC 1.7.99.- ... (26 Jun 1999) ...
nitric oxide
<biochemistry> This compound is produced from L arginine by the enzyme nitric oxide synthase. Acts as a potent vasorelaxant via elevation of intracellular cGMP in vascular smooth muscle. ... Synthesis of nitric oxide is not confined to endothelium, isoforms of nitric oxide synthase are also found in brain, neutrophils and platelets. ... Synonym …
nitric oxide synthase
<enzyme> An enzyme that catalyses the conversion of l-arginine, NADPH, and oxygen to citrulline, nitric oxide, and NADP+. ... The enzyme found in brain, but not that induced in lung or liver by endotoxin, requires calcium.There are two isoforms, one constitutive and one activated by calmodulin. ... Chemical name: L-Arginine,NADPH:oxygen oxidore …
nitric-oxide reductase
<enzyme> Prior to 1992 was classified as EC 1.7.99.2; a cytochrome bc complex; genbank af002217 (norb protein) and af002661 (norz protein) are from alcaligenes eutrophus ... Registry number: EC 1.7.99.7 ... Synonym: nitric oxide reductase, norb gene product, norz gene product ... (26 Jun 1999) ...
nitridation
Formation of nitrides; formation of nitrogen compounds through the action of ammonia (analogous to oxidation). ... (05 Mar 2000) ...
nitrification
1. <chemistry> The act, process, or result of combining with nitrogen or some of its compounds. The act or process of oxidizing nitrogen or its compounds so as to form nitrous or nitric acid. ... 2. A process of oxidation, in which nitrogenous vegetable and animal matter in the presence of air, moisture, and some basic substances, as lime or a …
nitrile
<chemistry> Any one of a series of cyanogen compounds; particularly, one of those cyanides of alcohol radicals which, by boiling with acids or alkalies, produce a carboxyl acid, with the elimination of the nitrogen as ammonia. ... The nitriles are named with reference to the acids produced by their decomposition, thus, hydrocyanic acid is form …
nitrile hydratase
<enzyme> Converts nitriles to the corresponding amides; has been sequenced; genbank u89363 ... Registry number: EC 4.2.1.- ... (26 Jun 1999) ...
nitriles
Organic compounds containing the -cn radical. The concept is distinguished from cyanides, which denotes inorganic salts of hydrogen cyanide. ... (12 Dec 1998) ...
nitrilo-
<prefix> Prefix indicating a tervalent nitrogen atom attached to three identical groups; e.g., nitrilotriacetic acid, N(CH2COOH)3. ... (05 Mar 2000) ...
nitrilotriacetate dehydrogenase
<enzyme> From a denitrifying proteobacteria; does not use oxygen; forms iminodiacetate and glyoxylate; requires phenazine methosulfate as electron carrier ... Registry number: EC 1.7.99.- ... Synonym: nta dehydrogenase ... (26 Jun 1999) ...
nitrilotriacetate monooxygenase
<enzyme> Two component monooxygenase; catalyses nitrilotriacetate and NADH to iminodiacetate and glyoxylate and nad in the presence of h and oxygen ... Registry number: EC 1.14.13.- ... Synonym: nta monooxygenase ... (26 Jun 1999) ...
nitrilotriacetic acid
<chemical> Chemical name: Glycine, N,N-bis(carboxymethyl)- ... (12 Dec 1998) ...
nitrilotriacetic acid monooxygenase
<enzyme> Nadh and o2 required, forms ininodiacetic acid and glyoxylate ... Registry number: EC 1.7.- ... (26 Jun 1999) ...
nitrimuriatic acid
Synonym for nitrohydrochloric acid ... An extremely caustic mixture that contains 18 parts nitric acid and 82 parts hydrochloric acid. ... Synonym: aqua regia, aqua regalis, nitrimuriatic acid. ... (05 Mar 2000) ...
nitrite dehydrogenase
<enzyme> Nitrobacter enzyme oxidises nitrite to nitrate with reduction of o2 to water by intermolecular oxygen atom transfer; not the same as nitrate reductase ... Registry number: EC 1.7.3.- ... (26 Jun 1999) ...
nitrite reductases
<enzyme> A group of enzymes that oxidise diverse nitrogenous substances to yield nitrite. ... Registry number: EC 1. ... (12 Dec 1998) ...
nitrites
Salts of nitrous acid or compounds containing the group no2-. The inorganic nitrites of the type mno2 (where m=metal) are all insoluble, except the alkali nitrites. The organic nitrites may be isomeric, but not identical with the corresponding nitro compounds. ... (12 Dec 1998) ...
nitritoid reaction
A severe reaction resembling that following the administration of nitrites, sometimes following intravenous administration of arsphenamine or other drugs; consists of flushing of the face, oedema of the tongue and lips, vomiting, profuse sweating, a fall in blood pressure, and sometimes death. ... (05 Mar 2000) ...
nitrituria
The presence of nitrites in the urine, as a result of the action of Escherichia coli, Proteus vulgaris, and other microorganisms that may reduce nitrates. ... (05 Mar 2000) ...
nitro dye
<chemical> Dye's in which the chromophore is -NO2, which is so acidic that all dyes in this group are of the acid type; important examples in cytoplasmic staining are picric acid and naphthol yellow S. ... (05 Mar 2000) ...
nitro-
1. <prefix> A combining form or an adjective denoting the presence of niter. ... 2. <chemistry> A combining form (used also adjectively) designating certain compounds of nitrogen or of its acids, as nitrohydrochloric, nitrocalcite; also, designating the group or radical NO2, or its compounds, as nitrobenzene. Nitro group, the radical NO2 …
nitroacetophenone reductase
<enzyme> Reduces keto group, requires NADPH ... Registry number: EC 1.1.1.- ... (26 Jun 1999) ...
nitroalkane oxidase
<enzyme> Catalyses the conversion of oxygen and nitroalkane to hydrogen peroxide, aldehyde, and nitrite ... Registry number: EC 1.7.3.- ... (26 Jun 1999) ...
nitroanisole o-demethylase
<enzyme> Oxidative enzyme which transforms p-nitroanisole into p-nitrophenol. ... Registry number: EC 1.- ... (12 Dec 1998) ...
nitroarginine
<chemical> An inhibitor of nitric oxide synthetase which has been shown to prevent glutamate toxicity. Nitroarginine has been experimentally tested for its ability to prevent ammonia toxicity and ammonia-induced alterations in brain energy and ammonia metabolites. (neurochem res 1995:200(4):451-6) ... Pharmacological action: enzyme inhibitors. …
nitrobacter
A genus of gram-negative, rod-shaped bacteria that oxidises nitrites to nitrates. Its organisms occur in aerobic environments where organic matter is being mineralised. ... (12 Dec 1998) ...
nitrobacteraceae
A family of gram-negative bacteria which derive energy from the oxidation of ammonia to nitrite or nitrite to nitrate. Its organisms are commonly found in soil and fresh water. ... (12 Dec 1998) ...
nitrobenzene
<chemistry> A yellow aromatic liquid (C6H5.NO2), produced by the action of nitric acid on benzene, and called from its odour imitation oil of bitter almonds, or essence of mirbane. It is used in perfumery, and is manufactured in large quantities in the preparation of aniline. Fornerly ... Synonym: nitrobenzol. ... Origin: Nitro- + benzene. ... S …
nitrobenzoates
Benzoic acid or benzoic acid esters substituted with one or more nitro groups. ... (12 Dec 1998) ...
nitroblue tetrazolium
<chemical> 3,3'-(3,3'-dimethoxy-4,4'-biphenylene)bis (2-(p-nitrophenyl)-5-phenyl-2h-tetrazolium. Colourless to yellow dye that is reducible to blue or black formazan crystals by certain cells; formerly used to distinguish between nonbacterial and bacterial diseases, the latter causing neutrophils to reduce the dye; used to confirm diagnosis o …
nitroblue tetrazolium reduction
<chemical> Nitroblue tetrazolium, a yellow dye, is taken up by phagocytosing neutrophils and reduced to insoluble formazan, which is deep blue, if the metabolic burst is normal. Reduction does not take place in chronic granulomatous disease. ... (18 Nov 1997) ...
nitroblue tetrazolium test
A test to detect the phagocytic ability of polymorphonuclear leukocytes by measuring the capacity of the oxygen-dependent leukocytic bactericidal system. ... (05 Mar 2000) ...
nitrocellulose
A nitrogen-sequence or antibody. ... (09 Oct 1997) ...
nitrocellulose nitroesterase
<enzyme> Hydrolyzes nitroester bands of nitrocellulose to give nitrate ions ... Registry number: EC 3.1.- ... (26 Jun 1999) ...
nitrocellulose paper
<apparatus> Paper with a high non-specific absorbing power for biological macromolecules. ... Very important as a receptor in blot transfer methods. Bands are transferred from a chromatogram or electropherogram either by blotting on nitrocellulose sheets or by electrophoretic transfer. The replica can then be used for sensitive analytical dete …
nitrochloroform
Synonym for chloropicrin ... CCl3NO2; trichloronitromethane;a toxic lung irritant and lacrimatory gas; it also causes vomiting, colic, and diarrhoea, and therefore is called vomiting gas. ... Synonym: nitrochloroform. ... (05 Mar 2000) ...
nitrofurans
<pharmacology> Antimicrobials (e.g., nitrofurazone) effective against Gram-positive and Gram-negative organisms. ... (05 Mar 2000) ...
nitrofurantoin
<chemical> A urinary anti-infective agent effective against most gram-positive and gram-negative organisms. Although sulfonamides and antibiotics are usually the agents of choice for urinary tract infections, nitrofurantoin is widely used for prophylaxis and long-term suppression. ... Pharmacological action: anti-infective agents, urinary. ... …
nitrofurantoin polyneuropathy
<neurology> An axon loss polyneuropathy, often severe, seen in some patients treated with nitrofurantoin, particularly patients with chronic renal failure. ... (05 Mar 2000) ...
nitrofurazone
<chemical> 2-((5-nitro-2-furanyl)methylene)hydrazinecarboxamide. A topical anti-infective agent effective against gram-negative and gram-positive bacteria. It is used for superficial wounds, burns, ulcers, and skin infections. Nitrofurazone has also been administered orally in the treatment of trypanosomiasis. ... Pharmacological action: anti- …
nitrogen
<chemistry> A colourless nonmetallic element, tasteless and odorless, comprising four fifths of the atmosphere by volume. It is chemically very inert in the free state, and as such is incapable of supporting life (hence the name azote still used by French chemists); but it forms many important compounds, as ammonia, nitric acid, the cyanides, …
