TRANSFER OF TRITIUM-LABELED VITAMIN-D3 AND 25-HYDROXYVITAMIN D3 IN OVINE PLACENTA

  • 1 January 1981
    • journal article
    • research article
    • Vol. 42  (1) , 140-141
Abstract
Placental transmission of i.v. administered label from vitamin D3 and 25-hydroxycholecalciferol was studied in gestating ewes. Radioactivity concentrations were higher in the tissues of ewes dosed with vitamin D3 than in those dosed with 25-hydroxycholecalciferol. Concentrations were higher in maternal tissues than in fetal tissues. The highest radioactivity concenrations were found in the kidneys, followed by the adrenal glands.

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