Intranuclear growth of Rickettsia rickettsii.
D000818:Animals; D001179:Arthropod Vectors; D002467:Cell Nucleus / Q000382:microbiology*; D002642:Chick Embryo; D046508:Culture Techniques; D005455:Fluorescent Antibody Technique; D008854:Microscopy, Electron; D008856:Microscopy, Fluorescence; D012284:Rickettsia rickettsii / Q000254:growth & development*; D013194:Staining and Labeling; D013987:Ticks