title: Nucleolar morphology and maturation of thymic lymphocytes.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002452:Cell Count; D002454:Cell Differentiation; D002466:Cell Nucleolus; D008214:Lymphocytes / Q000166:cytology*; D008297:Male; D051379:Mice; D008815:Mice, Inbred Strains; D013194:Staining and Labeling; D013950:Thymus Gland / Q000166:cytology*; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D014316:Tritium; D014529:Uridine