title: [Preliminary data on the ultrastructure of the mature ovarian ovum of Chaetopterus pergamentaceus C].
mesh_terms: D000818:Animals; D000845:Annelida / Q000196:embryology*; D002466:Cell Nucleolus; D003460:Crystallization; D003594:Cytoplasmic Granules; D004527:Egg Proteins; D004721:Endoplasmic Reticulum; D005260:Female; D002479:Inclusion Bodies; D008854:Microscopy, Electron; D010063:Ovum / Q000166:cytology* / Q000254:growth & development; D014817:Vitelline Membrane / Q000166:cytology / Q000254:growth & development
chemical_list: D004527:Egg Proteins
vernacular_title: Dati preliminari sull'ultrastruttura dell'uovo ovarico maturo di Chaetopterus pergamentaceus C