Animals 1 Article 1 Biological Clocks 1 Biological oscillators 1 Biological physics 1 Biological traveling waves Cell Cycle 1 Cell Nucleus 1 Cell cycle dynamics 1 Cytoplasm 1 DNA 1 Diffusion 1 Female 1 Giant Cells 1 Models, Theoretical 1 Nuclear Envelope 1 Pacemaker dynamics 1 Partial differential equations 1 Xenopus cell-free extracts 1 Xenopus laevis 1 Xenopus laevis early development 1 animal 1 animal cell 1 biological model 1 biological rhythm 1 cell cycle 1 cell cycle protein 1 cell free extract 1 cell nucleus 1 cell nucleus membrane 1