libriform fiber cell septate fiber cell septate libriform fiber cell 隔壁靭皮繊維細胞 (Japanese, exact) 2012-02-02T04:43:44Z A libriform fiber cell (PO:0004520) that has as parts one or more thin internal partitions or septa. plant_anatomy fibra libriforme septada (Spanish, exact) PO_GIT:443 rwalls PO:0025420 A septate libriform fiber cell septum is composed of the adjacent primary cell walls of two internal cells that arise from mitosis within the septate libriform fiber cell after it has formed a secondary cell wall (GO:0009531).