title: The phylogenetic evolution of the lymph node.
mesh_terms: D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology*; D006801:Humans; D008198:Lymph Nodes / Q000033:anatomy & histology / Q000166:cytology / Q000276:immunology; D008221:Lymphoid Tissue / Q000033:anatomy & histology; D010802:Phylogeny; D013045:Species Specificity; D013601:T-Lymphocytes / Q000276:immunology*