title: Diseases of maturation of the lymphoid system.
mesh_terms: D000328:Adult; D000361:Agammaglobulinemia / Q000209:etiology; D000917:Antibody Formation; D005260:Female; D006689:Hodgkin Disease / Q000150:complications; D006801:Humans; D007109:Immunity; D007153:Immunologic Deficiency Syndromes / Q000209:etiology* / Q000628:therapy; D007223:Infant; D007231:Infant, Newborn; D007945:Leukemia, Lymphoid / Q000150:complications; D008221:Lymphoid Tissue / Q000254:growth & development / Q000276:immunology*; D008297:Male; D012507:Sarcoidosis / Q000150:complications; D013950:Thymus Gland / Q000002:abnormalities / Q000276:immunology