Demonstration of DNA synthesis in filamentous structure of the nucleolus.
D000818:Animals; D001345:Autoradiography; D002466:Cell Nucleolus / Q000378:metabolism*; D002645:Chickens; D046508:Culture Techniques; D004247:DNA / Q000096:biosynthesis*; D005347:Fibroblasts / Q000166:cytology / Q000378:metabolism*; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
D014316:Tritium; D004247:DNA; D013936:Thymidine