| Roux's stain | <technique> A double stain for diphtheria bacilli which employs crystal violet or dahlia and methyl green. (05 Mar 2000) |
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| anastomosis, roux-en-y | A y-shaped surgical anastomosis of any part of the digestive system which includes the small intestine as the eventual drainage site. (12 Dec 1998) |
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| Roux, Cesar | <person> Swiss surgeon, 1857-1934. See: Roux-en-Y anastomosis, Roux-en-Y operation. (05 Mar 2000) |
| Roux-en-Y anastomosis | Anastomosis of the distal end of the divided jejunum to the stomach, bile duct, or another structure, with implantation of the proximal end into the side of the jejunum at a suitable distance below the first anastomosis, the bowel then forming a Y-shaped pattern. (05 Mar 2000) |
| Roux-en-Y operation | Anastomosis of the distal end of the divided upper jejunum to the stomach, oesophagus, biliary tract, or other structure and anastomosis of the proximal end to the side of the jejunum a little further distal. (05 Mar 2000) |
| Roux, Philibert | <person> French surgeon, 1780-1854. See: Roux's method. (05 Mar 2000) |
| Roux, Pierre | <person> French bacteriologist, 1853-1933. See: Roux spatula, Roux's stain. (05 Mar 2000) |
| Roux's method | Division of the inferior maxilla in the median line, to facilitate the operation of ablation of the tongue. (05 Mar 2000) |
| Roux spatula | A very small nickeled steel spatula used to transfer bits of infected material, such as diphtheritic membrane, to culture tubes. (05 Mar 2000) |
| Abbott's stain | <technique> Spores are stained blue with alkaline methylene blue; bodies of the bacilli become pink with eosin counterstain. (05 Mar 2000) |
| aceto-orcein stain | <technique> A stain used for chromosomes in air-dried or squashed cytologic material. (05 Mar 2000) |
| acid-fast stain | <technique> A staining technique used to determine the cell wall property of a microorganism. After stained with dye such as hot carbolfuschin, an acid-fast organism, (for example Mycobacterium species) will retain the colour in its cell wall after being washed with acid-alcohol. (13 Nov 1997) |
| acid stain | <technique> A dye in which the anion is the coloured component of the dye molecule, e.g., sodium eosinate (eosin). (05 Mar 2000) |
| Ag-AS stain | <technique> A stain for the acid protein component of nucleolar regions which are active or which were transcriptionally active in the preceding interphase; uses silver nitrate, ammoniacal silver, and formalin. Synonym: Ag-AS stain. (05 Mar 2000) |
| Albert's stain | <technique> A stain for diphtheria bacilli and their metachromatic granules; contains toluidine blue, methyl green, glacial acetic acid, alcohol, and distilled water. (05 Mar 2000) |
| Altmann's anilin-acid fuchsin stain | <technique> A mixture of picric acid, anilin, and acid fuchsin which stains mitochondria crimson against a yellow background. (05 Mar 2000) |