title: Timing of the phases of the cell cycle with tritiated thymidine and Feulgen cytophotometry during the period of synchronous division in Lymnaea.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002455:Cell Division; D004247:DNA / Q000096:biosynthesis*; D005260:Female; D008195:Lymnaea; D008938:Mitosis; D010063:Ovum / Q000502:physiology*; D010783:Photometry; D013194:Staining and Labeling; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium
chemical_list: D014316:Tritium; D004247:DNA; D013936:Thymidine