title: Formation and possible function of annulate lamellae in a planktic foraminifer.
mesh_terms: D000818:Animals; D002455:Cell Division; D002467:Cell Nucleus / Q000648:ultrastructure; D004721:Endoplasmic Reticulum / Q000648:ultrastructure; D006056:Golgi Apparatus / Q000648:ultrastructure; D007425:Intracellular Membranes / Q000648:ultrastructure*; D008854:Microscopy, Electron; D009685:Nuclear Envelope / Q000648:ultrastructure; D010933:Plankton / Q000502:physiology / Q000648:ultrastructure*; D012098:Reproduction