title: Mammalian male pachytene chromosomes interconnections and karyotypes.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002467:Cell Nucleus / Q000648:ultrastructure; D002875:Chromosomes / Q000648:ultrastructure*; D006801:Humans; D007621:Karyotyping / Q000379:methods; D008297:Male; D008540:Meiosis; D051381:Rats; D012965:Sodium Chloride; D013094:Spermatozoa / Q000648:ultrastructure*; D013737:Testis / Q000648:ultrastructure; D013936:Thymidine / Q000378:metabolism; D014316:Tritium; D014343:Trypan Blue
chemical_list: D014316:Tritium; D012965:Sodium Chloride; D014343:Trypan Blue; D013936:Thymidine