| 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) |
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| rhodanine | <chemical> Chemical name: 4-Thiazolidinone, 2-thioxo- (12 Dec 1998) |
| rhodeoretin | <chemistry> Same as Convolvuln. Origin: Gr. The rose + resin. Source: Websters Dictionary (01 Mar 1998) |
| rhodeose | <biochemistry> L fucose (6 deoxy L galactose) is found as a constituent of N glycan chains of glycoproteins, it is the only common L form of sugar involved. D fucose is usually encountered as a synthetic galactose analogue. (18 Nov 1997) |
| Rhodesian malignant theileriosis | A highly pathogenic protozoan disease of cattle in Zimbabwe caused by Theileria parva bovis and transmitted by the tick Rhipicephalus appendiculatus. See: kaodzera. Tropical theileriosis, a highly pathogenic protozoan disease of cattle in northern Africa, southern Europe, the Near and Middle East, and central Asia; caused by Theileria annulata and transmitted by ticks of the genus Hyalomma. Synonym: Mediterranean theileriosis. (05 Mar 2000) |
| Rhodesian trypanosomiasis | A disease of humans caused by Trypanosoma brucei rhodesiense in eastern Africa from Ethiopia and Uganda south to Zimbabwe; it is clinically similar to Gambian trypanosomiasis but of shorter duration and more acute in form; patients suffer repeated episodes of pyrexia, become anaemic, and die commonly from cardiac failure. Synonym: acute African sleeping sickness, acute trypanosomiasis, East African sleeping sickness, East African trypanosomiasis. (05 Mar 2000) |
| rhodic | <chemistry> Of or pertaining to rhodium; containing rhodium. Source: Websters Dictionary (01 Mar 1998) |
| rhodin | A dihydroporphyrin derivative (the two additional hydrogens being at positions 17 and 18) of the type found in chlorophyll b and with a formyl group on position 7 rather than a methyl group. (05 Mar 2000) |
| rhodium | <chemistry> A rare element of the light platinum group. It is found in platinum ores, and obtained free as a white inert metal which it is very difficult to fuse. Symbol Rh. Atomic weight 104.1. Specific gravity 12. Origin: NL, fr. Gr. "rodon the rose. So called from the rose-red colour of certain of its solutions. See Rhododendron. Source: Websters Dictionary (01 Mar 1998) |
| rhodizonic | <chemistry> Pertaining to, or designating, a colourless crystalline substance (called rhodizonic acid, and carboxylic acid) obtained from potassium carboxide and from certain quinones. It forms brilliant red, yellow, and purple salts. Origin: Gr. To be rose-red. Source: Websters Dictionary (01 Mar 1998) |
| rhodnius | A genus of true bugs of the subfamily triatominae (reduviidae). Its species are vectors of trypanosoma cruzi. (12 Dec 1998) |
| rhodo- | Rosy, red colour. Origin: G. Rhodon, rose (05 Mar 2000) |
| rhodobacter | A genus of gram-negative bacteria widely distributed in fresh water as well as marine and hypersaline habitats. (12 Dec 1998) |
| rhodobacter capsulatus | Non-pathogenic ovoid to rod-shaped bacteria that are widely distributed and found in fresh water as well as marine and hypersaline habitats. (12 Dec 1998) |
| rhodobacter sphaeroides | Spherical phototrophic bacteria found in mud and stagnant water exposed to light. (12 Dec 1998) |