thymusn.胸腺thymus derived lymphocyte胸腺衍生淋巴细胞thymus independent tissue不依赖胸腺的组织Thymus nervulosus Klok.显脉百里香thymus-leukemia antigen胸腺白血病抗原thymus-dependent region胸腺依赖区thymus independent region非胸腺依赖区thymus marrow cooperation胸腺骨髓协同作用thymus-independent area胸腺非依赖区Thymus mongolicus Ronn.百里香thymus-replacing factor胸腺替代因子