title: [The thymus and aging].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D000818:Animals; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007031:Hypothalamus / Q000502:physiology; D007223:Infant; D007231:Infant, Newborn; D008875:Middle Aged; D010902:Pituitary Gland / Q000502:physiology; D013947:Thymosin / Q000032:analysis / Q000494:pharmacology; D013950:Thymus Gland / Q000166:cytology / Q000502:physiology*
chemical_list: D013947:Thymosin