title: Prenucleolar bodies of Urechis oocytes.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002466:Cell Nucleolus / Q000032:analysis / Q000378:metabolism*; D002875:Chromosomes; D003562:Cytidine / Q000378:metabolism; D003593:Cytoplasm / Q000378:metabolism; D004586:Electrophoresis; D005260:Female; D006651:Histocytochemistry; D006657:Histones / Q000032:analysis; D007448:Invertebrates / Q000378:metabolism*; D008854:Microscopy, Electron; D010063:Ovum / Q000166:cytology / Q000378:metabolism*; D012313:RNA / Q000096:biosynthesis; D012335:RNA, Ribosomal / Q000096:biosynthesis; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D006657:Histones; D012335:RNA, Ribosomal; D014316:Tritium; D003562:Cytidine; D012313:RNA; D014529:Uridine