| SUPPORT | Study to Understand Prognoses and Preferences for Outcomes and Risks of Treatment |
|---|---|
| T&A | tonsillectomy and adenoidectomy; tonsils and adenoids |
| T&C | turn and cough; type and crossmatch |
| T&E | testing and evaluation; trial and error |
| TORCH | toxoplasmosis, other [congenital syphilis and viruses], rubella, cytomegalovirus, and herpes simplex... |
| Leishman's stain | <technique> A polychromed eosin-methylene blue stain used in the examination of blood films. (05 Mar 2000) |
|---|---|
| Leishman stain | <pathology, procedure> Romanovsky type stain, a mixture of basic and acid dyes used to stain blood smears and that differentially stains various classes of leucocytes. (18 Nov 1997) |
| Lendrum's phloxine-tartrazine stain | <technique> A stain for demonstrating acidophilic inclusion bodies, which appear red on a yellow background; nuclei stain blue, but Negri bodies do not stain. (05 Mar 2000) |
| Lepehne-Pickworth stain | <technique> A staining technique for haemoglobin and other haem-containing substances in cryostat or frozen sections, which utilises the presence of tissue peroxidase to oxidise benzidine to a blue quinhydrone. (05 Mar 2000) |
| Levaditi stain | <technique> A silver nitrate stain for blackening spirochetes in tissue sections. (05 Mar 2000) |
| Lillie's allochrome connective tissue stain | <technique> A procedure using PAS, haematoxylin, picric acid, and methyl blue; used for distinction between basement membrane and reticulin, and for demonstration of arteriosclerotic lesions. (05 Mar 2000) |
| Lillie's azure-eosin stain | <technique> A stain in which an azure eosinate solution is used to stain bacteria and rickettsiae in tissues. (05 Mar 2000) |
| Lillie's ferrous iron stain | <technique> A method using potassium ferrocyanide in acetic acid which demonstrates melanins as a deep green colour; lipofuscins and haem pigments are unreactive. (05 Mar 2000) |
| Lillie's sulfuric acid Nile blue stain | <technique> A technique for showing fatty acids when present in high concentrations. (05 Mar 2000) |
| Lison-Dunn stain | <technique> A technique using leuco patent blue V and hydrogen peroxidase to demonstrate haemoglobin peroxidase on time sections and smears. (05 Mar 2000) |
| Loeffler's caustic stain | <technique> A stain for flagella, utilizing an aqueous solution of tannin and ferrous sulfate with the addition of an alcoholic fuchsin stain. (05 Mar 2000) |
| Loeffler's stain | <technique> A stain for flagella; the specimen is treated with a mixture of ferrous sulfate, tannic acid, and alcoholic fuchsin, then stained with aniline-water fuchsin or gentian violet made alkaline with sodium hydroxide solution. (05 Mar 2000) |
| Luna-Ishak stain | <technique> A staining method using celestine blue and acid fuchsin in which bile canaliculi stain pink to red. (05 Mar 2000) |
| abstracting and indexing | Shortening or summarizing of documents; assigning of descriptors for referencing documents. (12 Dec 1998) |
| academies and institutes | Organizations representing specialised fields which are accepted as authoritative; may be non-governmental, university or an independent research organization, e.g., national academy of sciences, brookings institution, etc. (12 Dec 1998) |