Possible facilitated transport of oxygen across the placenta.
D000818:Animals; D001128:Argon / Q000097:blood; D002199:Capillary Permeability; D065607:Cytochrome P-450 Enzyme Inhibitors; D003840:Deoxycholic Acid / Q000494:pharmacology; D005260:Female; D008431:Maternal-Fetal Exchange / Q000187:drug effects*; D008614:Meperidine / Q000494:pharmacology; D009020:Morphine / Q000494:pharmacology; D010100:Oxygen / Q000097:blood*; D010101:Oxygen Consumption; D010920:Placenta / Q000378:metabolism*; D011247:Pregnancy; D011335:Proadifen / Q000494:pharmacology; D012756:Sheep; D012964:Sodium; D014471:Umbilical Veins; D014599:Uterus / Q000378:metabolism
D065607:Cytochrome P-450 Enzyme Inhibitors; D003840:Deoxycholic Acid; D001128:Argon; D009020:Morphine; D008614:Meperidine; D012964:Sodium; D011335:Proadifen; D010100:Oxygen