The ultrastructure of the yolk nucleus during early cleavage of Nassarius reticulatus L. (Gastropoda, Prosobranchia).
D000818:Animals; D002455:Cell Division; D005260:Female; D006056:Golgi Apparatus; D008854:Microscopy, Electron; D008928:Mitochondria; D010063:Ovum / Q000254:growth & development / Q000648:ultrastructure*; D012908:Snails