title: Fine structure of the Ctenophore egg.
mesh_terms: D000818:Animals; D005260:Female; D005306:Fertilization; D008928:Mitochondria; D009865:Oocytes / Q000648:ultrastructure*; D010063:Ovum / Q000648:ultrastructure*; D012403:Rotifera / Q000196:embryology* / Q000648:ultrastructure