title: Electronmicroscopical observations on yolk and yolk formation in Ophryotrocha labronica LaGreca and Bacci.
mesh_terms: D000818:Animals; D000845:Annelida / Q000166:cytology / Q000378:metabolism*; D001345:Autoradiography; D004247:DNA / Q000096:biosynthesis*; D003851:Deoxyribonucleases / Q000378:metabolism; D005260:Female; D006652:Histological Techniques; D008854:Microscopy, Electron; D010063:Ovum / Q000166:cytology / Q000378:metabolism*; D012260:Ribonucleases / Q000378:metabolism; D013936:Thymidine; D014316:Tritium
chemical_list: D014316:Tritium; D004247:DNA; D003851:Deoxyribonucleases; D012260:Ribonucleases; D013936:Thymidine