[The in vitro fusion mechanism of the secondary palatal shelves of rat embryo and effect of rubella virus and its variant on the fusion processes].
D000818:Animals; D002478:Cells, Cultured; D004848:Epithelium / Q000196:embryology; D066298:In Vitro Techniques; D008854:Microscopy, Electron; D010159:Palate / Q000196:embryology*; D051381:Rats; D012412:Rubella virus / Q000502:physiology*