[Electron microscopic study of epithelialization process of human placental villi].
D003896:Desmosomes; D004847:Epithelial Cells; D004848:Epithelium / Q000254:growth & development; D005260:Female; D006801:Humans; D007801:Langerhans Cells; D008854:Microscopy, Electron; D010920:Placenta / Q000166:cytology; D010929:Placentation; D011247:Pregnancy; D014327:Trophoblasts