title: Early spermatogenesis in Rhynchosciara.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002454:Cell Differentiation; D002467:Cell Nucleus; D002875:Chromosomes; D004247:DNA / Q000096:biosynthesis; D004175:Diptera / Q000166:cytology*; D006056:Golgi Apparatus; D006570:Heterochromatin; D007814:Larva; D008297:Male; D008540:Meiosis; D008722:Methods; D008854:Microscopy, Electron; D008928:Mitochondria; D008938:Mitosis; D009024:Morphogenesis; D012313:RNA / Q000096:biosynthesis; D012270:Ribosomes; D012730:Sex Chromosomes; D013091:Spermatogenesis; D013094:Spermatozoa / Q000166:cytology* / Q000378:metabolism; D013737:Testis / Q000166:cytology / Q000254:growth & development; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D006570:Heterochromatin; D014316:Tritium; D012313:RNA; D004247:DNA; D013936:Thymidine; D014529:Uridine