- A complex of cyanide and cobalamin, as in vitamin B12, in which a cyanide group has filled the sixth coordinate position of the cobalt atom.- radioactive c. cyano[57Co]cobalamin, cyano[58Co]cobalamin, or cyano[60Co]cobalamin produced by the growth of certain microorganisms on a medium containing cobalt-57, cobalt-58, or cobalt-60; used in the investigation of the absorption and metabolism of c. (vitamin B12).
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* * *cy·a·no·co·bal·a·min (si″ə-no″ko-balґə-min) 1. a cobalamin derivative in which the substituent is a cyanide ion; it is the form of vitamin B12 first isolated and hence is the form chemically defined as and the form used as a synonym of that vitamin, although it is actually an artifact of isolation. 2. [USP] a preparation of cyanocobalamin used to treat disorders caused by deficiencies of vitamin B12, particularly to prevent and treat pernicious anemia and other megaloblastic anemias and associated neuropathy; administered subcutaneously or intramuscularly, intranasally, or, occasionally, orally. Abbreviated CN-Cbl. Called also vitamin B12>.
Medical dictionary. 2011.
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Cyanocobalamin — Identifiers CAS number 68 19 9 … Wikipedia
cyanocobalamin Co 57 — cyanocobalamin radioactively labeled with 57Co; official preparations are c. Co 57 capsules [USP] and c. Co 57 oral solution [USP], in which a portion of the molecules is radioactively labeled. The preparations are used in the diagnosis of… … Medical dictionary
cyanocobalamin Co 58 — cyanocobalamin labeled with 58Co, used in the diagnosis of pernicious anemia and other disorders of vitamin B12 absorption. See also Schilling test … Medical dictionary
cyanocobalamin Co 60 — cyanocobalamin in which a portion of the molecules is radioactively labeled with 60Co, used in the diagnosis of pernicious anemia and other disorders of vitamin B12 absorption. See also Schilling test, under test … Medical dictionary
cyanocobalamin — ► NOUN ▪ vitamin B12, a cobalt containing vitamin derived from liver, fish, and eggs, a deficiency of which can cause pernicious anaemia. ORIGIN from Greek kuanos dark blue + a blend of COBALT(Cf. ↑cobalt) and VITAMIN(Cf. ↑vitamin) … English terms dictionary
cyanocobalamin — [sī′ə nō kō bôl′ə min] n. an active form of vitamin B12: also cyanocobalamine … English World dictionary
Cyanocobalamin — Strukturformel Coenzym B12 (=AdoCbl): R = 5 Desoxyadenosyl Cyanocobalamin (=Vitamin B12): R = –C≡N Hydroxycobalamin (=Vitamin B12a): R = OH Methylcobalamin (=MeCbl oder MeB12): R = –CH3 … Deutsch Wikipedia
cyanocobalamin — ciankobalaminas statusas T sritis chemija apibrėžtis Vitamino B₁₂ komponentas. atitikmenys: angl. cyanocobalamin rus. цианкобаламин … Chemijos terminų aiškinamasis žodynas
cyanocobalamin — also cyanocobalamine noun Etymology: cyan + cobalt + vitamin Date: 1950 vitamin B12 1 … New Collegiate Dictionary
cyanocobalamin — Usual form of Vitamin B12 … Dictionary of molecular biology