| cellobiose | <biochemistry> Reducing disaccharide composed of two D glucose moieties beta 1, 4 linked. The disaccharide subunit of cellulose, though not found as a free compound in vivo. (26 Mar 1998) |
|---|---|
| cellobiose oxidase | <enzyme> Haem-containing flavoprotein, requires molecular oxygen Registry number: EC 1.1.3.- (26 Jun 1999) |
| phosphoenolpyruvate-cellobiose phosphotransferase | <enzyme> Catalytic domain of the phosphoenolpyruvate-dependent cellulose phosphotransferase system Registry number: EC 2.7.1.- Synonym: enzyme IIb(cellobiose), enzyme IIb (cel) (26 Jun 1999) |
| mannitol | A medication given to reduce brain swelling and elevated intracranial pressure. Also used to temporarily disrupt the blood-brain barrier prior to some forms of chemotherapy. (16 Dec 1997) |
| mannitol dehydrogenase | <enzyme> Chemical name: D-Mannitol:NAD+ 2-oxidoreductase Registry number: EC 1.1.1.67 (12 Dec 1998) |
| mannitol hexanitrate | An explosive compound formed by the nitration of mannitol; when diluted with carbohydrate substances (one part of mannitol hexanitrate to nine or more parts of carbohydrate) it is not explosive, and is used as a vasodilator and hypotensive agent; it is slower in action than nitroglycerin. Synonym: nitromannitol. (05 Mar 2000) |
| mannitol - mannose 1-oxidoreductase | <enzyme> Isolated from celeriae root tips; catalyses the nad-dependent oxidation of mannitol to mannose not to fructose; strongly inhibited by NADH and sensitive to alterations of nad-NADH ratio. Do not confuse with mannitol dehydrogenase (EC 1.1.1.67) which is a 2-oxidoreductase which converts mannitol to fructose Registry number: EC 1.1.1.- Synonym: mannitol 1-dehydrogenase (26 Jun 1999) |
| mannitol phosphates | Phosphoric acid esters of mannitol. (12 Dec 1998) |
| D mannitol | <chemical> Hexitol related to D mannose. Found in plants, particularly fungi and seaweeds. (18 Nov 1997) |
| capillary permeability | Property of blood capillary walls that allows for the selective exchange of substances. Small lipid-soluble molecules such as carbon dioxide and oxygen move freely by diffusion. Water and water-soluble molecules cannot pass through the endothelial walls and are dependent on microscopic pores. These pores show narrow areas (tight junctions) which may limit large molecule movement. (12 Dec 1998) |
| capillary permeability factor | A mixture of bioflavonoids extracted from plants (especially citrus fruits). It reduces the permeability and fragility of capillaries and is useful in the treatment of certain cases of purpura that are resistant to vitamin C therapy. See: hesperidin, quercetin, rutin. Synonym: capillary permeability factor, citrin, permeability vitamin. (05 Mar 2000) |
| cell membrane permeability | A quality of cell membranes which permits the passage of solvents and solutes into and out of cells. (12 Dec 1998) |
| permeability | The property or state of being permeable. (18 Nov 1997) |
| permeability coefficient | A coefficient associated with simple diffusion through a membrane that is proportional to the partition coefficient and the diffusion coefficient and inversely proportional to membrane thickness. (05 Mar 2000) |
| permeability constant | A measure of the ease with which an ion can cross a unit area of membrane driven by a 1.0 m difference in concentration; usually expressed in centimeters per second. Compare: permeability coefficient. (05 Mar 2000) |