| BS | Bachelor of Science; Bachelor of Surgery; Bacillus subtilis; Bartter syndrome; base strap; bedside; ... |
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| BSA | benzenesulfonic acid; Biofeedback Society of America; bismuth-sulfite agar; bis-trimethylsilyl-aceta... |
| BTB | breakthrough bleeding; bromthymol blue |
| BTBL | bromothymol blue lactose |
| BTS | blood transfusion service; blue toe syndrome; bradycardia-tachycardia syndrome |
| bromphenol blue | <chemical> Alpha,alpha-bis(3,5-dibromo-4-hydroxyphenyl)-alpha-hydroxy-o-toluenesulfonic acid, gamma-sultone. A dye that has been used as an industrial dye, a laboratory indicator, and a biological stain. Pharmacological action: dyes, indicators and reagents. Chemical name: Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(2,6-dibromo-, S,S-dioxide (12 Dec 1998) |
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| bromthymol blue | <chemical> A pH sensitive dye that has been used as an indicator in many laboratory reactions. Pharmacological action: dyes, indicators and reagents. Chemical name: Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(2-bromo-3-methyl-6-(1-methylethyl)-, S,S-dioxide (12 Dec 1998) |
| carbon monoxide-methylene blue oxidoreductase | <enzyme> Molybdenum-containing iron-sulfur flavoprotein from pseudomonas carboxydovorans; forms carbon dioxide Registry number: EC 1.2.3.- Synonym: cm-mb oxidoreductase, carbon monoxide oxidase (26 Jun 1999) |
| Mallory's aniline blue stain | <technique> A method especially suitable for studying connective tissue; sections are stained in acid fuchsin, aniline blue-orange G solution, and phosphotungstic acid; fibrils of collagen are blue, fibroglia, neuroglia, and muscle fibres are red, and fibrils of elastin are pink or yellow. Synonym: Mallory's aniline blue stain, Mallory's triple stain. (05 Mar 2000) |
| Mann's methyl blue-eosin stain | <technique> A stain useful for anterior pituitary and viral inclusion bodies; a mixture of the two dyes stains alpha cell granules red, beta cell granules dark blue, chromophobes gray to pink, colloid red, erythrocytes orange-red, and collagen fibres blue; this method is also useful for enterochromaffin, goblet, Paneth, and pancreatic islet cells; Negri bodies appear red while their nuclei and central granules are blue. (05 Mar 2000) |
| Victoria blue | Any of several blue diphenylnaphthylmethane derivatives; used as a stain in histology. Origin: Queen Victoria (05 Mar 2000) |
| patent blue V | A sulfonated triphenylmethane dye reduced and decolorised with zinc and acetic acid to produce a stable solution; used to demonstrate haemoglobin peroxidase. Synonym: patent blue V. (05 Mar 2000) |
| celestine blue B | A dye recommended as a substitute for haematoxylin when it is unavailable. (05 Mar 2000) |
| cellular blue nevus | A large, acquired blue nevus in which melanocytes are often clear and large, alternating with pigmented spindle cells and which may expand deeply into the subcutis; malignant change is very rare. (05 Mar 2000) |
| rhodanile blue | A dye mixture, considered by some to be a salt of rhodamine B and Nile blue, used to stain keratinised epithelium (red) and fibroblasts (blue), as well as spermatozoa and normal and pathologic acidophilic, basophilic, and certain neutrophilic elements of cells and tissues; used as a substitute for haematoxylin and eosin. (05 Mar 2000) |
| Perls' Prussian blue stain | <technique> A stain for ferric iron as in haemosiderins, using potassium ferrocyanide in acetic acid or dilute hydrochloric acid followed by a red counterstain such as safranin O or neutral red; various haemosiderins and most mineral irons give a blue-green reaction, while nuclei stain red. (05 Mar 2000) |
| methyl blue | A sulfonated triphenylrosaniline dye used as a stain for cytoplasm, collagen, and Negri bodies, and as an antiseptic. (05 Mar 2000) |
| methylene blue | <chemical> Methylthionine chloride; dark green crystals or crystalline powder having a bronze-like luster, readily reduced to colourless leukomethylene blue, which in turn is readily oxidised to methylene blue. Used as a bacteriologic stain and as an indicator, and administered orally or intravenously in the treatment of congenital methemoglobinaemia and cyanide poisoning. Pharmacological action: anti-infective agents, urinary, antidotes, dyes. Chemical name: Phenothiazin-5-ium, 3,7-bis(dimethylamino)-, chloride (12 Dec 1998) |
| Coomassie blue | Stain commonly used non-specifically for proteins on gels. Recently renamed Kenacid Blue. (18 Nov 1997) |
| Coomassie brilliant blue R-250 | A general protein stain used in electrophoresis because of its unusual sensitivity. Origin: originally, a proprietary name of Imperial Chemical; Coomassie (Kumasi), Ghana (05 Mar 2000) |