title: The "giant" yolk sac: a model for studying transport across extra-embryonic membranes.
mesh_terms: D000818:Animals; D001692:Biological Transport; D007074:Immunoglobulin G / Q000378:metabolism; D007457:Iodine Radioisotopes; D007700:Kinetics; D009924:Organ Culture Techniques; D051381:Rats; D011919:Rats, Inbred Strains; D012710:Serum Albumin, Bovine / Q000378:metabolism; D015017:Yolk Sac / Q000378:metabolism*
chemical_list: D007074:Immunoglobulin G; D007457:Iodine Radioisotopes; D012710:Serum Albumin, Bovine