Development of structure and function in the mammalian yolk sac. I. Developmental morphology and vitamin B12 uptake of the rat yolk sac.
D000818:Animals; D000906:Antibodies / Q000378:metabolism; D003036:Cobalt Isotopes; D003593:Cytoplasm; D005260:Female; D005333:Fetus / Q000032:analysis; D006027:Glycosides / Q000378:metabolism; D066298:In Vitro Techniques; D007668:Kidney / Q000032:analysis; D008099:Liver / Q000032:analysis; D008431:Maternal-Fetal Exchange; D008854:Microscopy, Electron; D010920:Placenta / Q000033:anatomy & histology* / Q000378:metabolism*; D011247:Pregnancy; D011270:Pregnancy, Animal; D011874:Radiometry; D051381:Rats; D012270:Ribosomes; D014633:Valine / Q000378:metabolism; D014805:Vitamin B 12 / Q000378:metabolism*
D000906:Antibodies; D003036:Cobalt Isotopes; D006027:Glycosides; D014633:Valine; D014805:Vitamin B 12