title: Ultrastructure of Treponema pallidum Nichols following lysis by physical and chemical methods. II. Axial filaments.
mesh_terms: D001431:Bacteriological Techniques; D001433:Bacteriolysis; D002462:Cell Membrane; D002473:Cell Wall; D005407:Flagella; D008722:Methods; D008854:Microscopy, Electron; D013194:Staining and Labeling; D014210:Treponema pallidum / Q000166:cytology*