title: 'De novo' centrioles originate at sites associated with annulate lamellae in sea-urchin eggs.
mesh_terms: D000818:Animals; D002502:Centrioles / Q000502:physiology* / Q000648:ultrastructure; D005260:Female; D008854:Microscopy, Electron; D009940:Organoids / Q000502:physiology*; D010063:Ovum / Q000502:physiology* / Q000648:ultrastructure; D012617:Sea Urchins