title: Lymphocyte differentiation and its microenvironment in the human thymus during aging.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000945:Antigens, Differentiation, T-Lymphocyte; D000954:Antigens, Surface / Q000032:analysis; D002454:Cell Differentiation; D002470:Cell Survival; D002648:Child; D002675:Child, Preschool; D004253:DNA Nucleotidylexotransferase / Q000378:metabolism; D005260:Female; D006680:HLA Antigens / Q000032:analysis; D006801:Humans; D007223:Infant; D008214:Lymphocytes / Q000166:cytology*; D008297:Male; D008875:Middle Aged; D010641:Phenotype; D013950:Thymus Gland / Q000166:cytology* / Q000276:immunology
chemical_list: D000945:Antigens, Differentiation, T-Lymphocyte; D000954:Antigens, Surface; D006680:HLA Antigens; D004253:DNA Nucleotidylexotransferase