A highly radiation-sensitive stage in the late prophase of mouse spermatocyte meiosis.
D000818:Animals; D002453:Cell Cycle / Q000528:radiation effects*; D005260:Female; D006110:Grasshoppers; D008297:Male; D008540:Meiosis / Q000528:radiation effects*; D051379:Mice; D008808:Mice, Inbred CBA; D009865:Oocytes / Q000166:cytology; D011418:Prophase / Q000528:radiation effects*; D013090:Spermatocytes / Q000166:cytology*; D013094:Spermatozoa / Q000166:cytology*