title: Scanning electron microscopy of lens placode invagination in the chick embryo.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D004847:Epithelial Cells; D004848:Epithelium / Q000502:physiology / Q000648:ultrastructure; D007908:Lens, Crystalline / Q000196:embryology* / Q000648:ultrastructure; D008855:Microscopy, Electron, Scanning; D009024:Morphogenesis