title: Labeling index and cell density of aging rat oral tissues.
mesh_terms: D000375:Aging; D000818:Animals; D001345:Autoradiography; D002449:Cell Aggregation; D003782:Dental Pulp / Q000166:cytology* / Q000378:metabolism / Q000502:physiology; D004847:Epithelial Cells; D004848:Epithelium / Q000378:metabolism; D005347:Fibroblasts / Q000378:metabolism; D007553:Isotope Labeling; D009061:Mouth Mucosa / Q000166:cytology* / Q000502:physiology; D010513:Periodontal Ligament / Q000166:cytology* / Q000378:metabolism; D010519:Periodontium / Q000502:physiology; D051381:Rats; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
chemical_list: D014316:Tritium; D013936:Thymidine