title: [An ultrastructural cytochemical study of the perinuclear corpuscles found in young oocytes of Ilyanassa obsoleta Say (molluscan gastropod)].
mesh_terms: D000818:Animals; D002467:Cell Nucleus; D002642:Chick Embryo; D003593:Cytoplasm; D003851:Deoxyribonucleases; D004721:Endoplasmic Reticulum; D005260:Female; D006651:Histocytochemistry; D006652:Histological Techniques; D008854:Microscopy, Electron; D008928:Mitochondria; D009940:Organoids / Q000032:analysis / Q000187:drug effects; D010063:Ovum / Q000166:cytology*; D010434:Pepsin A; D010447:Peptide Hydrolases; D011134:Polysaccharides / Q000032:analysis; D012260:Ribonucleases; D012270:Ribosomes; D012908:Snails / Q000166:cytology*
chemical_list: D011134:Polysaccharides; D003851:Deoxyribonucleases; D012260:Ribonucleases; D010447:Peptide Hydrolases; D010434:Pepsin A
vernacular_title: Etude par cytochimie ultrastructurale des corpuscules périnucléaires présents dans les jeunes oocytes de Ilyanassa obsoleta Say (Mollusca gastéropode.