title: A new type of ovariole in Hydrophilus olivaceus Fabr. (Hydrophilidae--Polyphaga, Coleoptera)--its histology and histochemistry in relation to vitellogenesis.
mesh_terms: D000818:Animals; D001517:Coleoptera; D003593:Cytoplasm / Q000032:analysis; D003594:Cytoplasmic Granules; D004530:Egg Yolk; D005260:Female; D005836:Genitalia, Female / Q000033:anatomy & histology*; D006651:Histocytochemistry; D008938:Mitosis; D009698:Nucleoproteins / Q000032:analysis; D010053:Ovary / Q000033:anatomy & histology; D010057:Oviducts / Q000033:anatomy & histology*; D010063:Ovum / Q000254:growth & development*; D012313:RNA / Q000032:analysis
chemical_list: D009698:Nucleoproteins; D012313:RNA