| Schardinger dextrins | Cyclic rings of glucose monomer (usually 6 to 8) linked alpha-1,4; the result of action of Bacillus macerans on starch. (05 Mar 2000) |
|---|---|
| Schardinger enzyme | <enzyme> Dehydrogenases involved in conversion of hypoxanthine to xanthine and xanthine to uric acid, as the final catabolism of purines. Deficient in the human disease xanthinuria. (18 Nov 1997) |
| Schardinger reaction | The reduction of methylene blue to methylene white by formaldehyde is rapidly catalyzed by fresh milk but not by boiled milk, the catalyzing agent being xanthine oxidase (Schardinger's enzyme); an example of oxidation in the absence of O2 with an organic hydrogen acceptor (the dye). (05 Mar 2000) |
| scharlach 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) |
| Schatzki | Richard, U.S. Radiologist, 1901-1992. See: Schatzki's ring. (05 Mar 2000) |
| schatzki ring | <radiology> B ring of distal oesophagus, squamo-columnar junction, with or without hiatus hernia, intemittent symptoms if 13-20 mm, steakhouse syndrome, Treatment: balloon or bougie see: oesophageal webs and rings (12 Dec 1998) |
| schatzki's ring | A congenital anatomic narrowing in the lower 1/3 of the oesophagus that is the result of inappropriate embryological development of the oesophagus. Symptoms include difficulty swallowing and chest pain (under the sternum). Treatment involves the use of a fibreoptic endoscope using a dilator to open up the narrowed segment of the oesophagus. (27 Sep 1997) |
| Schaudinn | Fritz R., German bacteriologist, 1871-1906. See: Schaudinn's fixative. (05 Mar 2000) |
| Schaudinn's fixative | A solution of mercuric chloride, sodium chloride, alcohol, and glacial acetic acid, used on wet smears for cytologic fixation. (05 Mar 2000) |
| Schaumann | Jorgen, Swedish physician, 1879-1953. See: Schaumann bodies, Schaumann's lymphogranuloma, Schaumann's syndrome, Besnier-Boeck-Schaumann disease, Besnier-Boeck-Schaumann syndrome. (05 Mar 2000) |
| Schaumann bodies | Concentrically laminated calcified body's found in granulomas, particularly in sarcoidosis. Synonym: conchoidal bodies. (05 Mar 2000) |
| Schaumann's lymphogranuloma | Old eponym for sarcoidosis. (05 Mar 2000) |
| Schaumann's syndrome | <disease> Disease of unknown aetiology in which there are chronic inflammatory granulomatous lesions in lymph nodes and other organs. (18 Nov 1997) |
| Schaumberg | H.H., U.S. Neuropathologist, *1912. (05 Mar 2000) |
| Schauta | Friedrich, Austrian gynecologist, 1849-1919. See: Schauta vaginal operation. (05 Mar 2000) |