title: An electron microscopic study of the periodontal tissues of germfree rats and rats monoinfected with Actinomyces naeslundii.
mesh_terms: D000196:Actinomycosis / Q000473:pathology*; D000539:Alveolar Process / Q000648:ultrastructure; D000818:Animals; D001808:Blood Vessels / Q000648:ultrastructure; D002463:Cell Membrane Permeability; D003094:Collagen; D003593:Cytoplasm / Q000648:ultrastructure; D004847:Epithelial Cells; D004848:Epithelium / Q000648:ultrastructure; D005347:Fibroblasts / Q000648:ultrastructure; D005856:Germ-Free Life; D005881:Gingiva / Q000648:ultrastructure; D007365:Intercellular Junctions / Q000648:ultrastructure; D007962:Leukocytes / Q000648:ultrastructure; D008022:Ligaments / Q000648:ultrastructure; D008214:Lymphocytes / Q000648:ultrastructure; D008264:Macrophages / Q000648:ultrastructure; D008854:Microscopy, Electron; D010518:Periodontitis / Q000473:pathology*; D010519:Periodontium / Q000648:ultrastructure*; D010587:Phagocytosis; D010950:Plasma Cells / Q000648:ultrastructure; D051381:Rats
chemical_list: D003094:Collagen