Freeze etching: a classical view.
D002462:Cell Membrane; D002736:Chloroplasts; D005613:Freeze Etching / Q000706:statistics & numerical data; D005615:Freezing; D006652:Histological Techniques; D008854:Microscopy, Electron; D008961:Models, Structural; D010945:Plants, Edible / Q000166:cytology