title: Polyploidization in vitro: formation of a predominantly triploid cell population in an originally diploid tissue culture of Microtus agrestis.
mesh_terms: D000818:Animals; D002467:Cell Nucleus; D002478:Cells, Cultured; D046508:Culture Techniques; D003584:Cytological Techniques; D004261:DNA Replication; D004171:Diploidy; D005347:Fibroblasts / Q000166:cytology; D008297:Male; D008938:Mitosis; D011123:Polyploidy; D012377:Rodentia / Q000033:anatomy & histology*; D012730:Sex Chromosomes; D013936:Thymidine; D013997:Time Factors; D014316:Tritium
chemical_list: D014316:Tritium; D013936:Thymidine