title: Changes in the human thymus during aging.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000375:Aging; D002648:Child; D002675:Child, Preschool; D005260:Female; D006680:HLA Antigens / Q000032:analysis; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008214:Lymphocytes / Q000166:cytology; D008297:Male; D008875:Middle Aged; D009929:Organ Size; D012737:Sex Factors; D013601:T-Lymphocytes / Q000276:immunology; D013950:Thymus Gland / Q000254:growth & development* / Q000276:immunology
chemical_list: D006680:HLA Antigens