calciferol

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calciferol

 [kal-sif´er-ol]
1. see vitamin D.

er·go·cal·cif·er·ol

(er'gō-kal-sif'ĕr-ol),
Activated ergosterol, the vitamin D of plant origin; it arises from ultraviolet irradiation of ergosterol, which is cleaved at the 9,10 bond and develops a double bond between C-10 and C-19; used in prophylaxis and treatment of vitamin D deficiency.

calciferol

/cal·cif·er·ol/ (kal-sif´er-ol)
1. a compound having vitamin D activity, e.g., cholecalciferol or ergocalciferol.

calciferol

(kăl-sĭf′ə-rôl′, -rōl′)

calciferol

[kalsif′ərôl]
Etymology: L, calx, lime, ferre, to bear
a fat-soluble, crystalline unsaturated alcohol produced by ultraviolet irradiation of ergosterol in plants. It is used as a dietary supplement in the prophylaxis and treatment of rickets, osteomalacia, and other hypocalcemic disorders. Also called ergocalciferol, oleovitamin D2, vitamin D2. See also rickets, viosterol.

calciferol

A vitamin D derived from steroids by breaking the B ring’s 9-10 bond (e.g., cholecalciferol and ergocalciferol), which is produced by the body when exposed to UV light. Supplemental vitamin D3 reduces all-cause mortality, especially in elderly women, an effect not seen with vitamin D2, alfacalcidol or calcitriol (intrinsic vitamin D). However, too much or too little vitamin D is associated with increased mortality in a U-shaped risk curve.

calciferol

Vitamin D. A fat-soluble vitamin necessary for the absorption of calcium from the intestine. Deficiency causes RICKETS in infants and OSTEOMALACIA in adults.

calciferol

or

vitamin D2

a compound that has vitamin D properties and is obtained by ultraviolet irradiation of ergosterol.

calciferol

vitamin D synthesized within skin under influence of sunlight; see ergocalciferol

er·go·cal·cif·er·ol

(ĕr'gō-kal-sif'ĕr-ol)
Activated ergosterol, the vitamin D of plant origin; used in prophylaxis and treatment of vitamin D deficiency.
Synonym(s): calciferol, vitamin D2.

calciferol

vitamin d2; ergocalciferol.

calciferol-25-hydroxylase
a hepatic microsomal enzyme which controls the conversion of cholecalciferol to 25-hydroxycholecalciferol.
References in periodicals archive ?
Vitamin D is well known to be associated with bone problems, but two studies published at the beginning of this year have shown that lack of the sunshine vitamin also increases the risk of heart disease and is linked to a poorer outcome for some cancers.
The sunshine vitamin is getting a lot of press lately.
Known as the sunshine vitamin, nutritionists believe vitamin D is one of the best ways to beat the winter blues.
SUNSHINE VITAMIN The best way to get vitamin D is through sunlight on the skin - but when the weather's poor you might not get enough.
Washington, July 11 ( ANI ): A team of scientists from the US and Germany has found that bone-aging process can be significantly accelerated through deficiency of vitamin D - the sunshine vitamin.
I also take Vitamin D3 as a supplement as it's known as the sunshine vitamin, something which is usually more lacking in the winter months, when colds are reaching their peaks.
Vitamin D, known as the sunshine vitamin because ultraviolet rays from the sun trigger its synthesis in the skin, may be one of those environmental factors that impacts autoimmune diseases.
I've also talked about the importance of getting enough vitamin D, the sunshine vitamin, and doing regular bone-stressing exercises.
Vitamin D is sometimes called the sunshine vitamin because sunlight triggers a chemical reaction in the body leading to vitamin D production.