cobalamin

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cobalamin

 [ko-bal´ah-min]
a cobalt-containing complex common to all members of the vitamin B12 group; see also vitamin.

co·bal·a·min (Cbl),

(kō-bal'ă-min),
General term for compounds containing the dimethylbenzimidazolylcobamide nucleus of vitamin B12.

cobalamin

/co·bal·a·min/ (ko-bal´ah-min) a compound comprising the substituted ring and nucleotide structure characteristic of vitamin B12, either one lacking a ligand at the 6 position of cobalt or any substituted derivative, including cyanocobalamin, particularly one with vitamin B12 activity.

cobalamin

(kō-băl′ə-mĭn) also

cobalamine

(-mēn′)

cobalamin

[kōbôl′əmin]
Etymology: Ger, kobold, mine goblin
a generic term for a chemical portion of the vitamin B12 molecule. See also cyanocobalamin.

co·bal·a·min

(kō-bal'ă-min)
General term for compounds containing the dimethylbenzimidazolylcobamide nucleus of vitamin B12.

cobalamin,

n See vitamin B12.

co·bal·a·min

(kō-bal'ă-min)
General term for compounds containing the dimethylbenzimidazolylcobamide nucleus of vitamin B12.

cobalamin,

cobalamin, cobalamine

a cobalt-containing complex common to all members of the vitamin B12 group.
References in periodicals archive ?
Cobalamin exists in two metabolically active forms, identified by alkali group attached to sixth coordinated position of cobalt atom: methylcobalamin and adenosylcobalamin.
Accuracy in measuring the quantity of each of the cobalamins in foods and supplements is crucial for understanding absorption mechanisms, which will lead to health recommendations important to the public.
Cobalamin is necessary for 2 important biochemical functions.
Finally, adenosyl cobalamin is essential for the conversion of L-methylmalonyl CoA to succinyl CoA.
Statistical associations between cobalamin and HC concentrations require no complicated theories.
The transport and distribution of cobalamin via biological membranes take place at several major sites in humans.
Holotranscobalamin (holoTC) is the portion of cobalamin that is bound to the transport protein transcobalamin (TC), which facilitates cellular uptake of cobalamin (3).
The patient group showed no significant change in either holo-TC or cobalamin as measured in blood samples collected after the intake of the test dose of vitamin Blz (Fig.
The fraction of the total serum cobalamins attached to TC was 0.
Unsaturated transcobalamin can be measured by labeled cobalamin, but measurement of total transcobalamin and cobalamin-saturated transcobalamin is somewhat more complicated (8).