Structure of the lymphatic apparatus.
D008198:Lymph Nodes / Q000033:anatomy & histology; D008208:Lymphatic System / Q000033:anatomy & histology*; D008214:Lymphocytes; D008221:Lymphoid Tissue / Q000033:anatomy & histology*; D008264:Macrophages; D008853:Microscopy; D008854:Microscopy, Electron; D010950:Plasma Cells; D013154:Spleen / Q000033:anatomy & histology; D013950:Thymus Gland / Q000033:anatomy & histology