Spermatogonial stemcell renewal in rats and mice.
D000818:Animals; D001345:Autoradiography; D005854:Germ Cells / Q000254:growth & development*; D008297:Male; D051379:Mice; D008938:Mitosis; D051381:Rats; D013737:Testis / Q000378:metabolism; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
D014316:Tritium; D013936:Thymidine