title: Studies on the behavior of the epithelium during the obliteration of cervical sinus.
mesh_terms: D000818:Animals; D001485:Basement Membrane; D002642:Chick Embryo / Q000254:growth & development*; D003593:Cytoplasm; D004847:Epithelial Cells; D008854:Microscopy, Electron; D008928:Mitochondria; D009300:Nasal Septum / Q000196:embryology*; D010159:Palate / Q000166:cytology / Q000196:embryology