title: Development of the embryonic chicken thymus. I. Characteristic synchronous morphogenesis of lymphocytes accompanied by the appearance of an embryonic thymus-specific antigen.
mesh_terms: D000367:Age Factors; D000818:Animals; D002454:Cell Differentiation; D002455:Cell Division; D002467:Cell Nucleus / Q000648:ultrastructure; D002642:Chick Embryo; D003593:Cytoplasm / Q000648:ultrastructure; D007519:Isoantigens / Q000032:analysis*; D008854:Microscopy, Electron; D013601:T-Lymphocytes / Q000166:cytology / Q000276:immunology* / Q000648:ultrastructure; D013950:Thymus Gland / Q000166:cytology / Q000196:embryology* / Q000276:immunology
chemical_list: D007519:Isoantigens