| MSS | Marshall-Smith syndrome; massage; Medical Superintendents' Society; Medicare Statistical System; men... |
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| OAS | old age security; oral allergy syndrome; osmotically active substance |
| OLS | oubain-like substance |
| PGS | peristent gross splenomegaly; Pettigrew syndrome; plant growth substance; postsurgical gastroparesis... |
| PLS | Papillon-Lefevre syndrome; polydactyly-luxation syndrome; preleukemic syndrome; primary lateral scle... |
| medicinal scarlet red | O-Tolylazo-o-tolylazo-beta-naphthol. An azo dye; a dark, brownish red powder, soluble in oils, fats, and chloroform, but insoluble in water; used in medicine as a vulnerary, in histology to stain fat in tissue sections and basic proteins at high pH, and in immunoelectrophoresis. Synonym: Biebrich scarlet red, medicinal scarlet red, scharlach red, Sudan IV. (05 Mar 2000) |
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| cherry-red spot | The ophthalmoscopic appearance of the normal choroid beneath the fovea centralis, appearing as a red spot surrounded by white retinal oedema in central artery closure or lipid infiltration in sphingolipidosis. Synonym: Tay's cherry-red spot. (05 Mar 2000) |
| cherry-red spot myoclonus syndrome | <syndrome> A neuronal storage disorder in children characterised by a cherry red spot at the macula, progressive myoclonus, and easily controlled seizures; the result of sialidase deficiency. Type 1 is characterised by normal body habitus, cherry red macula, myoclonus, and normal beta-galactosidase levels; type 2 by short stature, bony abnormalities, and deficient beta-galactosidase. Synonym: sialidosis. (05 Mar 2000) |
| chlorphenol red | An acid-base indicator (MW 423, pK 6.0): yellow at pH values below 5.1, red above 6.7. (05 Mar 2000) |
| cholera-red reaction | A test for cholera vibrio whereby the addition of 3 or 4 drops of sulfuric acid (concentrated, chemically pure) to an 18-hour-old bouillon or peptone culture of the organism produces a colour from rose-pink to claret. (05 Mar 2000) |
| methyl red | C15H15N3O2;a weakly acid dye used as a pH indicator (red at 4.8, yellow at 6.0); easily reduced with loss of colour, and pH readings must be made rapidly. (05 Mar 2000) |
| chrome red | Basic lead chromate, PbCrO4PbO. (05 Mar 2000) |
| rose-red | <zoology> Red as a rose; specifically, of a pure purplish red colour. Source: Websters Dictionary (01 Mar 1998) |
| phenol red | <chemical> 4,4'-(3h-2,1-benzoxathiol-3-ylidene)bisphenol s,s-dioxide. Red dye, pH indicator, and diagnostic aid for determination of renal function. It is used also for studies of the gastrointestinal and other systems. Pharmacological action: indicators and reagents, phthalein dyes. Chemical name: Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis-, S,S-dioxide (12 Dec 1998) |
| ruthenium red | <chemical> A stain used in electron microscopy for acid mucopolysaccharides on the outer surfaces of cells. (17 Dec 1997) |
| concentrated human red blood corpuscle | Corpuscle prepared from one or more preparations of whole human blood which are not more than 14 days old and each of which has already been directly matched with the blood of the intended recipient. (05 Mar 2000) |
| Congolian red fever | An acute infectious disease with fever, headache, and rash, all quite similar to, but milder than, epidemic typhus, caused by a related microoganism, rickettsia typhi (mooseri), transmitted to humans by rat fleas (xenopsylla cheopis). The animal reservoir includes rats, mice and other rodents. Murine typhus occurs sporadically worldwide but is more prevalent in congested rat-infested urban areas. Also known as endemic typhus, rat-flea typhus; urban typhus of malaya). (12 Dec 1998) |
| congo red | <chemical> An odourless, dark red or reddish brown powder which decomposes on exposure to acid fumes. It is used as a diagnostic aid in amyloidosis, and has been used as an antihemolytic and detoxicant. Pharmacological action: dyes. Chemical name: 1-Naphthalenesulfonic acid, 3,3'-((1,1'-biphenyl)-4,4'-diylbis(azo))bis(4-amino-, disodium salt (12 Dec 1998) |
| cresol red | <chemical> A reddish-brown powder which can be dissolved in water or alcohol that has the chemical formula of C21H18O5S. The dissolved compound has different colours depending on the pH, when the pH is 7.2 it is yellow, when the pH is 8.8 it is red, and when the pH is 2-3 it is orangish. As a result, it is used as an acid-base indicator. It is also used as a stain in the study of histology. (09 Oct 1997) |
| scarlet red | O-Tolylazo-o-tolylazo-beta-naphthol. An azo dye; a dark, brownish red powder, soluble in oils, fats, and chloroform, but insoluble in water; used in medicine as a vulnerary, in histology to stain fat in tissue sections and basic proteins at high pH, and in immunoelectrophoresis. Synonym: Biebrich scarlet red, medicinal scarlet red, scharlach red, Sudan IV. (05 Mar 2000) |