cellular component assembly cytokinetic process cell septum assembly 2013-02-06T10:26:38Z GO:0090529 cell septum assembly involved in cell cycle cytokinesis biological_process GO:0090530 tb The assembly and arrangement of a cellular component that is composed of peptidoglycan and often chitin in addition to other materials and usually forms perpendicular to the long axis of a cell or hypha. It grows centripetally from the cell wall to the center of the cell and often functions in the compartmentalization of a cell into two daughter cells.