title: Cyclic changes in the differentiation of lymphoid cells in reptiles.
mesh_terms: D000818:Animals; D001402:B-Lymphocytes / Q000166:cytology* / Q000276:immunology; D001853:Bone Marrow / Q000276:immunology; D002453:Cell Cycle; D002454:Cell Differentiation; D003345:Corticosterone / Q000097:blood; D006854:Hydrocortisone / Q000097:blood; D008116:Lizards / Q000276:immunology*; D012621:Seasons; D013154:Spleen / Q000276:immunology; D013601:T-Lymphocytes / Q000166:cytology* / Q000276:immunology; D013950:Thymus Gland / Q000166:cytology
chemical_list: D003345:Corticosterone; D006854:Hydrocortisone