title: The role of an epithelial occlusion zone in the termination of vitellogenesis in Hyalophora cecropia ovarian follicles.
mesh_terms: D000818:Animals; D012831:Bombyx / Q000196:embryology*; D004591:Electrophoresis, Polyacrylamide Gel; D005260:Female; D006735:Horseradish Peroxidase; D007811:Lanthanum; D008854:Microscopy, Electron; D009566:Nitrates; D009865:Oocytes / Q000502:physiology*; D009866:Oogenesis; D010053:Ovary / Q000648:ultrastructure; D010063:Ovum / Q000502:physiology*; D014817:Vitelline Membrane / Q000502:physiology* / Q000648:ultrastructure
chemical_list: D009566:Nitrates; D007811:Lanthanum; D006735:Horseradish Peroxidase