title: Intranuclear cytoplasmic canal system in the oosphere nucleus of Cycas revoluta: an evidence of nucleocytoplasmic interaction.
mesh_terms: D003593:Cytoplasm / Q000648:ultrastructure; D008854:Microscopy, Electron; D009685:Nuclear Envelope / Q000648:ultrastructure; D010944:Plants / Q000648:ultrastructure*; D014197:Trees