title: Electron microscopy of predentinal surfaces.
mesh_terms: D000818:Animals; D002417:Cattle; D002591:Cetacea; D003094:Collagen; D003804:Dentin / Q000166:cytology*; D004285:Dogs; D000882:Haplorhini; D006801:Humans; D008854:Microscopy, Electron; D008961:Models, Structural; D013552:Swine
chemical_list: D003094:Collagen