title: Quantitation of ribosomal RNA genes in fetal human oocyte nuclei using rRNA: DNA hybridization in situ. Evidence for increased multiplicity.
mesh_terms: D004247:DNA / Q000235:genetics*; D004261:DNA Replication; D005260:Female; D005796:Genes; D006801:Humans; D008540:Meiosis; D009693:Nucleic Acid Hybridization; D009865:Oocytes / Q000032:analysis* / Q000166:cytology; D010063:Ovum / Q000032:analysis*; D011418:Prophase; D012335:RNA, Ribosomal / Q000096:biosynthesis*
chemical_list: D012335:RNA, Ribosomal; D004247:DNA