title: In vitro differentiation of diakinesis figures in human testis.
mesh_terms: D001345:Autoradiography; D001706:Biopsy; D002454:Cell Differentiation; D006801:Humans; D066298:In Vitro Techniques; D008297:Male; D008540:Meiosis; D013091:Spermatogenesis; D013093:Spermatogonia / Q000166:cytology*; D013094:Spermatozoa / Q000166:cytology*; D013737:Testis / Q000166:cytology*; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
chemical_list: D014316:Tritium; D013936:Thymidine