| rho | 1. 17th letter of the Greek alphabet, ρ. 2. Symbol for density, population correlation coefficient See: rho factor. (05 Mar 2000) |
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| rho factor | <cell biology> Protein factors found in prokaryotes, especially E. Coli, involved in the termination of transcription. Mutations in rho may cause the RNA polymerase to read through from one operon to the next. (23 Aug 1998) |
| rho gene | <molecular biology> Genes coding for small GTP-binding proteins, implicated in actin organisation and the interaction of the cytoskelton with intracellular membranes. See: ras, rab. (23 Aug 1998) |
| rho(d) immune globulin | Immunizing agent containing IgG anti-rho(d) used for preventing rh immunization in rh-negative individuals exposed to rh-positive red blood cells. (12 Dec 1998) |
| Rho(D) immunoglobulin | rHo(D) immune globulin |
| Rho-associated kinase | <enzyme> Binds the g-protein rho; rock-i and rock-ii are two isoforms; genbank u36909 Registry number: EC 2.7.10.- Synonym: rho-kinase, rock-i, rock-ii, p160(rock), let-502 kinase (26 Jun 1999) |
| rhoA p21 geranylgeranyltransferase | <enzyme> Transfers geranylgeranyl group to cysteine residue fourth from the c-terminal group of rho p21; no particular requirement for c-terminal amino acid; see also ras protein geranylgeranyl transferase Registry number: EC 2.5.1.- Synonym: geranylgeranyltransferase rhoa p21 (26 Jun 1999) |
| rhodamine | <chemical> A group of triphenylmethane derived dyes are referred to as rhodamines, lissamines etc. Many are fluorescent and are used as fluorochromes in labelling proteins and membrane probes. (18 Nov 1997) |
| rhodamine B | A fluorescent red basic xanthene dye, tetraethylrhodamine chloride, used in histology as a contrasting stain to methylene blue and methyl green, and as a vital fluorochrome. (05 Mar 2000) |
| rhodamines | <chemical> A family of 3,6-di(substituted-amino)-9-benzoate derivatives of xanthene that are used as dyes and as indicators for various metals; also used as fluorescent tracers in histochemistry. Pharmacological action: fluorescent dyes. (12 Dec 1998) |
| rhodammonium | <chemistry> Pertaining to, derived from, or containing, rhodium and ammonia; said of certain complex compounds. Source: Websters Dictionary (01 Mar 1998) |
| rhodanate | <chemistry> A salt of rhodanic acid; a sulphocyanate. Source: Websters Dictionary (01 Mar 1998) |
| rhodanese | <enzyme> An enzyme that catalyses the transfer of the planetary sulfur atom of thiosulfate ion to cyanide ion to form thiocyanate ion. Chemical name: Thiosulfate:cyanide sulfurtransferase Registry number: EC 2.8.1.1 (12 Dec 1998) |
| rhodanic | <chemistry> Pertaining to, or designating, an acid (commonly called sulphocyanic acid) which frms a red colour with ferric salts. Origin: Gr. The rose. Source: Websters Dictionary (01 Mar 1998) |
| rhodanic acid | HS-CN;hydrogen thiocyanate. Synonym: rhodanic acid, sulfocyanic acid. (05 Mar 2000) |