The ultrastructure of the skin of human embryos. VI. Formation of the intradermal hair canal.
D004622:Embryo, Mammalian; D004847:Epithelial Cells; D006197:Hair / Q000166:cytology* / Q000196:embryology; D006801:Humans; D008854:Microscopy, Electron; D012867:Skin / Q000166:cytology* / Q000196:embryology