title: Ultrastructure of Treponema pallidum Nichols following lysis by physical and chemical methods. I. Envelope, wall, membrane and fibrils.
mesh_terms: D001431:Bacteriological Techniques; D001433:Bacteriolysis; D002462:Cell Membrane; D002473:Cell Wall / Q000187:drug effects; D005019:Ethyl Ethers / Q000494:pharmacology; D005613:Freeze Etching; D006821:Hyaluronoglucosaminidase / Q000494:pharmacology; D008722:Methods; D008854:Microscopy, Electron; D009113:Muramidase / Q000494:pharmacology; D009940:Organoids; D013194:Staining and Labeling; D014210:Treponema pallidum / Q000166:cytology* / Q000187:drug effects; D014357:Trypsin / Q000494:pharmacology
chemical_list: D005019:Ethyl Ethers; D009113:Muramidase; D006821:Hyaluronoglucosaminidase; D014357:Trypsin