title: Lymph macrophages enter the germinal center of regional lymph nodes.
mesh_terms: D000818:Animals; D000941:Antigens / Q000008:administration & dosage; D002454:Cell Differentiation; D002465:Cell Movement; D004912:Erythrocytes / Q000276:immunology; D006168:Guinea Pigs; D008196:Lymph / Q000166:cytology* / Q000502:physiology; D008198:Lymph Nodes / Q000166:cytology* / Q000502:physiology; D008264:Macrophages / Q000502:physiology*; D051379:Mice; D008809:Mice, Inbred C3H; D012756:Sheep
chemical_list: D000941:Antigens