part_of part of preceded by preceded_by occurrent blastula embryo Ce 8-cell embryo Ce 12-cell embryo Ce WBls:0000072 worm_development 12-cell embryo The C. elegans life stage spanning ~55 min after first cleavage at 20 Centigrade. Contains 12 cells. C. elegans life stage occurring during blastula embryo C. elegans life stage by number of cells