title: Ontogeny of the human lymphoid system: study of the cytological maturation and the incorporation of tritiated thymidine and uridine in the foetal thymus and lymph node and in the infantile thymus.
mesh_terms: D000375:Aging; D001345:Autoradiography; D002455:Cell Division; D002648:Child; D002675:Child, Preschool; D005333:Fetus / Q000378:metabolism; D005865:Gestational Age; D006801:Humans; D007223:Infant; D008198:Lymph Nodes / Q000166:cytology / Q000196:embryology* / Q000378:metabolism; D008214:Lymphocytes / Q000254:growth & development / Q000378:metabolism; D013936:Thymidine / Q000378:metabolism; D013950:Thymus Gland / Q000166:cytology / Q000196:embryology* / Q000254:growth & development / Q000378:metabolism; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D014316:Tritium; D013936:Thymidine; D014529:Uridine