| cyano- | Cyan- 1. Combining form meaning blue. 2. Chemical prefix frequently used in naming compounds that contain the cyanide group, CN. Origin: G. Kyanos, a dark blue substance (05 Mar 2000) |
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| cyanoacrylates | A group of compounds having the general formula ch2=c(cn)-coor; it polymerises on contact with moisture; used as tissue adhesive; higher homologs have haemostatic and antibacterial properties. (12 Dec 1998) |
| Cyanobacteria | <organism> Modern term for the blue green algae, prokaryotic cells that use chlorophyll on intracytoplasmic membranes for photosynthesis. The blue green colour is due to the presence of phycobiliproteins. Found as single cells, colonies or simple filaments. In Anabaena, in which the cells are arranged as a filament, heterocysts capable of nitrogen fixation occur at regular intervals. According to the endosymbiont theory Cyanobacteria are the progenitors of chloroplasts. (18 Nov 1997) |
| cyanobacterium-like bodies | A Cryptosporidium-like genus of coccidian parasites reported from millipedes, reptiles, insectivores, and a rodent species. Cyclospora is characterised by acid-fast oocysts with two sporocysts, each with two sporozoites. Cyclospora species is an undescribed but distinct species of Cyclospora that is implicated as the cause of a widespread, prolonged but self-limited human diarrhoea in patients in North, Central, and South America; Caribbean countries; Southeast Asia; and eastern Europe previously reported as caused by cyanobacterium-like bodies. Synonym: cyanobacterium-like bodies. (05 Mar 2000) |
| cyanochroic | Cyanochrous Synonym: cyanotic. Origin: cyano-+ G. Chroia, colour (05 Mar 2000) |
| cyanocobalamin | Member of the water soluble B vitamin group, important in the proper function of the nervous system and important in proper carbohydrate, protein and fat metabolism. (27 Sep 1997) |
| cyanocobalamin beta-ligand transferase | <enzyme> Cytosolic enzyme utilizing fad, NADPH and reduced glutathione; forms glutathionylcobalamin from cyanocobalamin Registry number: EC 2.5.1.- Synonym: ccbl transferase (26 Jun 1999) |
| cyanogen | A compound of two cyano radicals, NC-CN; its highly toxic compounds (general formula X-CN, where X is a halogen) are used in chemical syntheses and as tissue preservatives. Synonym: ethanedinitrile. Cyanogen chloride, CNCl;a highly volatile liquid; a systemic poison used as a warning agent in fumigation with hydrogen cyanide. (05 Mar 2000) |
| cyanogen bromide | <chemical> Agent that cleaves peptide bonds at methionine residues. The peptide fragments so generated can then, for example: be tested to locate particular activities. (18 Nov 1997) |
| cyanogenic | Capable of producing hydrocyanic acid; said of plants such as sorghum, Johnson grass, arrowgrass, and wild cherry which may cause cyanide poisoning in herbivorous animals. (05 Mar 2000) |
| cyanohydrins | R-CHOH-CN;addition compounds of HCN and aldehydes. Synonym: cyanalcohols. (05 Mar 2000) |
| cyanoketone | <chemical> 2 alpha-cyano-17 beta-hydroxy-4,4',17 alpha-trimethylandrost-5-ene-3-one. An androstenolone-nitrile compound with steroidogenesis-blocking activity. Chemical name: Androst-5-ene-2-carbonitrile, 17-hydroxy-4,4,17-trimethyl-3-oxo-, (2alpha,17beta)- (12 Dec 1998) |
| cyanophil | Cyanophile A cell or element that is differentially coloured blue by a staining procedure. Origin: cyano-+ G. Philos, fond (05 Mar 2000) |
| cyanophilous | Readily stainable with a blue dye. (05 Mar 2000) |
| Cyanophyceae | Synonym: Cyanobacteria. Origin: cyano-+ G. Phykos, seaweed (05 Mar 2000) |
| 6-cyano-7-nitroquinoxaline-2,3-dione | <chemical> A potent excitatory amino acid antagonist with a preference for non-nmda ionotropic receptors. It is used primarily as a research tool. Pharmacological action: excitatory amino acid antagonists. Chemical name: 6-Quinoxalinecarbonitrile, 1,2,3,4-tetrahydro-7-nitro-2,3-dioxo- (12 Dec 1998) |
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