POPLINE Keyword Guide -- Main Index

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VITAMIN D
SN:
Any of the several fat-soluble, antirachitic vitamins D1, D2, D3, occurring in milk and fish-liver oils, esp. cod and halibut, or obtained by irradiating provitamin D with ultraviolet light, essential for the formation of normal bones and teeth. A hormone precursor that contributes to the maintenance of normal levels of calcium and phosphorus in the blood.
BK:
VITAMINS AND MINERALS