part of embryonic development via the syncytial blastoderm pseudocleavage pseudocleavage involved in syncytial blastoderm formation GO:0030589 pseudocleavage during syncytial blastoderm formation biological_process Formation of furrows in the cytoplasm between nuclei during cell cycles in embryos that contribute to the formation of the syncytial blastoderm. An example of this process is found in Drosophila melanogaster.