Thymic involution.
Turke
P W
PW
D000375:Aging / Q000276:immunology / Q000473:pathology; D000818:Animals; D006801:Humans; D013601:T-Lymphocytes / Q000276:immunology / Q000473:pathology; D013950:Thymus Gland / Q000254:growth & development / Q000276:immunology / Q000473:pathology*