title: Streptococcal infection in piglets: the palatine tonsils as portals of entry for Streptococcus suis.
mesh_terms: D000818:Animals; D000942:Antigens, Bacterial / Q000032:analysis; D001168:Arthritis / Q000209:etiology / Q000662:veterinary; D008198:Lymph Nodes / Q000473:pathology; D008581:Meningitis / Q000209:etiology / Q000662:veterinary; D008854:Microscopy, Electron; D008856:Microscopy, Fluorescence; D014066:Palatine Tonsil / Q000166:cytology / Q000382:microbiology*; D010587:Phagocytosis; D013290:Streptococcal Infections / Q000662:veterinary*; D013291:Streptococcus / Q000302:isolation & purification*; D013552:Swine; D013553:Swine Diseases / Q000209:etiology*
chemical_list: D000942:Antigens, Bacterial