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 (sī′ə-nō′kō-băl′ə-mĭn, sī-ăn′ō-)


(ˌsaɪənəʊkəʊˈbæləmɪn) or


(Biochemistry) a complex red crystalline compound, containing cyanide and cobalt and occurring in liver: lack of it in the tissues leads to pernicious anaemia. Formula: C63H88O14N14PCo. Also: vitamin B12
[C20: from cyano- + cobal(t) + (vit)amin]

vitamin B1


vitamin B2


vitamin B3


vitamin B6


vitamin B12

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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cyanocobalamin - a B vitamin that is used to treat pernicious anemiacyanocobalamin - a B vitamin that is used to treat pernicious anemia
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


n. cianocobalamina, vitamina B12 usada en el tratamiento de la anemia perniciosa.


n cianocobalamina, vitamina B12
References in periodicals archive ?
Seniors have more difficulty absorbing B12 from food because they produce less stomach acid (which releases B12 bound to food into the body) and thus should consume fortified foods to make up the difference.
Vitamin B12 is an essential water soluble vitamin that plays a vital role in the physiological dynamics of human body ranging from production of erythrocytes on one hand to optimal nervous system functioning on the other.
Mean vitamin B12 levels were significantly lower among obese children than healthy volunteers (p<0.
Se hizo una revision narrativa en las principales bases de datos (Pubmed, EMBASE y LILACS) de los articulos originales, revisiones y metaanalisis acerca de la relacion entre el deficit de vitamina B12 y los sintomas neuropsiquiatricos.
com/FastFeatures/health-benefits-of-vitamin/2015/04/07/id/387945/) Newsmax , vegetarians, pregnant women, heavy drinkers, and smokers require vitamin B12 supplements and are more prone to its deficiency.
Patients in which simultaneous complete blood cell count (CBC) and vitamin B12 was done, were included in the study.
For mothers and newborns, serum levels of vitamin B12, folate, glucose, high-density lipoprotein (HDL), low-density lipoprotein (LDL), triglycerides, cholesterol, insulin, homocysteine and homeostatic model assessment (HOMA-IR) were noted.
Vitamin B12 helps the body manufacture red blood cells and nerves; it also helps with DNA maintenance and other functions.
There are plenty of foods that are high in vitamin B12, and these can help--but if your levels are low enough to be diagnosed with pernicious anemia, diet alone won't restore your B12 levels to the point where healthy red blood cell production can resume.
Most of us get enough B12 from our diet but, if there's a lack of a certain substance in the stomach known as intrinsic factor, vitamin B12 won't be absorbed.
Let's look at the headline mentioned above: "Excessive folate, B12 in pregnancy dramatically ups autism risk.
Conclusion: Vitamin B12 deficiency is the major cause of megaloblastic anemia in children in our population.