title: Differential uptake of a macromolecule by yolk sac and embryo of early rat conceptuses cultured in vitro.
mesh_terms: D000818:Animals; D001692:Biological Transport; D004622:Embryo, Mammalian / Q000378:metabolism*; D005260:Female; D007457:Iodine Radioisotopes; D007700:Kinetics; D009928:Organ Specificity; D011205:Povidone / Q000378:metabolism*; D011247:Pregnancy; D051381:Rats; D015017:Yolk Sac / Q000378:metabolism*
chemical_list: D007457:Iodine Radioisotopes; D011205:Povidone