vitamin D


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Related to vitamin D: vitamin D3, Vitamin D deficiency

vitamin D

n.
A fat-soluble vitamin occurring in several forms, especially vitamin D2 or vitamin D3, that is required for normal growth of teeth and bones and is involved in many other metabolic processes, produced in the skin upon exposure to sunlight and present in fish, eggs, and fortified foods such as milk.

vitamin D2

n.
A white crystalline compound, C28H44O, produced commercially by ultraviolet irradiation of ergosterol obtained from fungi or plants, and used as a dietary supplement. Also called ergocalciferol.

vitamin D3

n.
A colorless crystalline compound, C27H44O, found in fish, eggs, and fortified foods and formed in the skin of humans and other vertebrates upon exposure to ultraviolet radiation, as in sunlight. It is often used as a dietary supplement. Also called cholecalciferol.

vitamin D

n, pl D vitamins
(Biochemistry) any of the fat-soluble vitamins, including calciferol and cholecalciferol, occurring in fish-liver oils (esp cod-liver oil), milk, butter, and eggs: used in the treatment of rickets and osteomalacia

vitamin D


n.
any of the several fat-soluble, antirachitic vitamins D1, D2, D3, occurring in milk and fish-liver oils, esp. cod and halibut: essential for the formation of normal bones and teeth.
[1920–25]

vitamin D1


n.
a form of vitamin D obtained by ultraviolet irradiation of ergosterol.
[1930–35]

vitamin D2


n.
[1930–35]

vitamin D3


n.
a form of vitamin D, C27H43OH, occurring in fish-liver oils, that differs from vitamin D2 by slight structural differences in the molecule. Also called cholecalciferol.

vitamin D

Any of a group of vitamins necessary for normal bone growth. Vitamin D is found in milk, fish, and eggs and can be produced in the skin on exposure to sunlight.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.vitamin D - a fat-soluble vitamin that prevents ricketsvitamin D - a fat-soluble vitamin that prevents rickets
ergosterol - a plant sterol that is converted into vitamin D by ultraviolet radiation
fat-soluble vitamin - any vitamin that is soluble in fats
References in periodicals archive ?
USA], Jan 3 (ANI): High-doses of vitamin D are effective in reducing arterial stiffness, finds a study.
Most women know that it's crucial to get enough calcium and vitamin D in order to keep their bones strong, but there are some substances that can diminish bone density and increase your risk of osteoporosis.
Health care professionals of all specialties need to ensure optimal Vitamin D level of all persons, irrespective of age or gender, to prevent the many complications that are associated with vitamin D deficiency.
Objective: To ascertain patients and physician views regarding hazard and compliance of oral liquid Vitamin D glass ampoule and tablets.
Pakistan is a sun drenched country where the inhabitants are supposed to have enough sunlight exposure to maintain adequate Vitamin D level.
Popular multivitamin supplements still don't provide enough vitamin D to yield optimal health benefits.
Other than salmon and other fatty fish, most foods aren't naturally rich in vitamin D.
The public should be boosting their vitamin D intake with supplements because of a lack of bright sunshine in the UK, government health experts have suggested.
Dr Adrian Martineau, an expert on vitamin D's effect on health, said:"SACN was right to say that we can't rely on sunshine in the UK to meet the vitamin D requirements.
Vitamin D has been primarily associated with bone formation, but it also regulates numerous cellular functions, including cell growth and differentiation.
Much, but not all, of the sun's health benefits are because of sunlight catalyzing the production of vitamin D in the skin.
In the 1940s, vitamin D became synonymous with bone health, when it was discovered that fortifying milk with the vitamin greatly reduced the incidence of bone-deforming rickets in children.