title: Nomenclature of frozen-etched bacterial envelopes.
mesh_terms: D001419:Bacteria / Q000648:ultrastructure*; D002462:Cell Membrane / Q000648:ultrastructure; D002473:Cell Wall / Q000648:ultrastructure; D005613:Freeze Etching; D005614:Freeze Fracturing; D010457:Peptidoglycan; D009626:Terminology as Topic
chemical_list: D010457:Peptidoglycan