Cytochemical and fine structural analysis of oogenesis in the gastropod, Ilyanassa obsoleta.
D000818:Animals; D002467:Cell Nucleus; D005260:Female; D006651:Histocytochemistry; D008854:Microscopy, Electron; D008928:Mitochondria; D010053:Ovary / Q000166:cytology*; D010063:Ovum / Q000166:cytology*; D012908:Snails