Thymus, T-cell differentiation and the T-cell system.
D000818:Animals; D002454:Cell Differentiation; D002465:Cell Movement; D006649:Histocompatibility Antigens; D007111:Immunity, Cellular; D010641:Phenotype; D013601:T-Lymphocytes / Q000145:classification / Q000166:cytology* / Q000276:immunology; D013950:Thymus Gland / Q000166:cytology* / Q000196:embryology / Q000276:immunology
D006649:Histocompatibility Antigens