title: Ultrastructural changes of basal lamina and anchoring fibrils of gingiva in vitro.
mesh_terms: D002478:Cells, Cultured; D003094:Collagen; D003238:Connective Tissue; D046508:Culture Techniques; D004847:Epithelial Cells; D004848:Epithelium; D005881:Gingiva / Q000166:cytology*; D006801:Humans; D008854:Microscopy, Electron
chemical_list: D003094:Collagen