part_of part of part of occurs in occurs in multinucleate cell embryonic development via the syncytial blastoderm nuclear migration syncytial nuclear migration The directed movement of nuclei within the syncytial embryo of insects. These precise temporal and spatial patterns of nuclear movement are coordinated with mitotic divisions and are required during blastoderm formation to reposition dividing nuclei from the interior of the syncytial embryo to the cortex. biological_process GO:0035190