cobalamin

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co·bal·a·min

 (kō-băl′ə-mĭn) also co·bal·a·mine (-mēn′)
n.
See vitamin B12.
[cobal(t) + (vit)amin.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

cobalamin

(kəʊˈbæləmɪn)
n
(Biochemistry) vitamin B12
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

vitamin B1


n.
thiamine.
[1920–25]

vitamin B2


n.
riboflavin.
[1925–30]

vitamin B3


n.
nicotinic acid.
[1975–80]

vitamin B6


n.
pyridoxine.
[1930–35]

vitamin B12


n.
a complex water-soluble solid, C63H88N14O14PCo, obtained from liver, milk, eggs, fish, oysters, and clams: a deficiency causes pernicious anemia and disorders of the nervous system. Also called cyanocobalamin, cobalamin, extrinsic factor.
[1945–50]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

co·bal·a·min

(kō-băl′ə-mĭn)
See under vitamin B complex.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cobalamin - a B vitamin that is used to treat pernicious anemiacobalamin - a B vitamin that is used to treat pernicious anemia
antipernicious anemia factor, cyanocobalamin, vitamin B12
B complex, B vitamin, B-complex vitamin, vitamin B, vitamin B complex, B - originally thought to be a single vitamin but now separated into several B vitamins
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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References in periodicals archive
To observe the effect of the different cobalamins, clinically relevant doses were incubated with the model.
An In Vitro Model of Gastric Inflammation and Treatment with Cobalamin
Helicobacter pylori infection can be linked to low levels of serum cobalamins. Aust J Basic Appl Sci.
Association between vitamin B12 level and anti-parietal cells and anti-intrinsic factor antibodies among adult Jordanian patients with Helicobacter pylori infection
Cobalamins are known to have effects on *NO [27-29], but these have hitherto been thought to be a consequence of Cbl/*NO scavenging effects [7,30-35] demonstrable chemically and in vitro [36,37], but biologically unproven in vivo and still controversial [38-40].
Biphasic modulation of NOS expression, protein and nitrite products by hydroxocobalamin underlies its protective effect in endotoxemic shock: downstream regulation of COX-2, IL-1[beta], TNF-[alpha], IL-6, and HMGB1 expression
Plasma holotranscobalamin compared with plasma cobalamins for assessment of vitamin [B.sub.12] absorption; optimisation of a non-radioactive vitamin [B.sub.12] absorption test (CobaSorb).
Assessment of vitamin [B.sub.12] absorption based on the accumulation of orally administered cyanocobalamin on transcobalamin
NO is known to react with heme proteins, porphyrins, and cobalamins to form nitrosyl-metal complexes (32-36).
Malarial anaemia and nitric oxide induced megaloblastic anaemia: a review on the causes of malarial anaemia
Vitamin B12 is actually a family of compounds called cobalamins, each of which has its own potential biological activity, in terms of absorption and potency.
A better measure for B12
Scientifically, vitamin B12 is one in a family of compounds called cobalamins. Each form has its own potential biological activity in terms of absorption and potency.
New technique for measuring vitamin B12 components
Vitamin [B.sub.12] is usually used as a generic term representing various cobalt-containing tetrapyrrole rings with attached nucleotide side chains that are chemically classified as cobalamins or corrinoids.
Methylmalonic Acid: A Test Whose Time Has Come?
Serum cobalamins in the elderly: a longitudinal study of a representative population sample from age 70 to 81.
Review: cobalamin deficiency and mental impairment in elderly people
Carmel was the first to report that total haptocorrin (HC) and cobalamins are related and that this relationship may be associated with the occurrence of heterozygosity for HC deficiency (1).
Haptocorrin (transcobalamin I) and cobalamin deficiencies
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