The palatine tonsils of the pig--an afferent route to the lymphoid tissue.
D000818:Animals; D004847:Epithelial Cells; D006652:Histological Techniques; D007281:Ink; D008221:Lymphoid Tissue; D008264:Macrophages; D008854:Microscopy, Electron; D010159:Palate; D014066:Palatine Tonsil / Q000033:anatomy & histology* / Q000166:cytology; D010587:Phagocytosis; D013552:Swine / Q000033:anatomy & histology*