title: Lymphoid organs and amphibian immunity.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D001001:Anura; D006084:Graft Rejection; D007109:Immunity; D007814:Larva; D008198:Lymph Nodes / Q000276:immunology* / Q000378:metabolism / Q000648:ultrastructure; D008675:Metamorphosis, Biological; D009928:Organ Specificity; D011892:Rana catesbeiana / Q000276:immunology*; D013154:Spleen / Q000276:immunology* / Q000378:metabolism / Q000648:ultrastructure; D013950:Thymus Gland / Q000276:immunology* / Q000378:metabolism / Q000648:ultrastructure; D014184:Transplantation, Homologous