vitamin D


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Related to vitamin D: vitamin D3, Vitamin D deficiency

vitamin D

[′vīd·ə·mən ¦dē]
(biochemistry)
Either of two fat-soluble, sterol-like compounds, calciferol or ergocalciferol (vitamin D2) and cholecalciferol (vitamin D3); occurs in fish liver oils and is essential for normal calcium and phosphorus deposition in bones and teeth. Also known as antirachitic vitamin.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
"Recommendations based on earlier studies using a number of different tests for vitamin D levels persist and, not surprisingly, current guidelines vary," said author Sylvia Christakos, a professor at Rutgers New Jersey Medical School.
In the meantime, Grossman says that people with low vitamin D levels should consider supplementing it.
The researchers gave 2,000 international units of vitamin D per day, 1 gram of marine omega-3 fatty acids, or placebo supplements to 25,871 volunteers aged 50 or older.
Vitamin D can be found naturally in only a few foods, including fatty fish (salmon, mackerel, sardines, and cod liver oil) and mushrooms (especially if they are sundried).
Vitamin D is a fat or oil-soluble vitamin that has receptors in the brain's neuronal and glial cells.
However, by age 50, the rate of bone loss tends to be higher than the rate of bone growth, so it's important to get enough bone-building calcium and vitamin D in your diet.
Vitamin D acts on vitamin D receptors (VDR) in target cells, where it forms heterodimers with the retinoid X receptor (RXR), which activate vitamin D target genes.
Majority of patients, 80.2% (142) said they prefer oral tablet in preference to injectable ampule in oral form if given choice while prescribing Vitamin D. Moreover 66.7% (64) doctors prefer to prescribe tablet form of Vitamin D instead of injection as oral form for vitamin D deficiency among their patients.
VDD can exacerbate NAFLD at least in part through an inflammatory-mediated pathway, given how vitamin D mediates its intracellular signals via the vitamin D receptor (VDR), which is constitutively expressed in the liver [6].
Another important consideration in this case is the role of vitamin D in cutaneous disorders of hypopigmentation.
Pakistan is a sun drenched country where the inhabitants are supposed to have enough sunlight exposure to maintain adequate Vitamin D level.