. "\"A structure composed of peptidoglycan and often chitin in addition to other materials. It usually forms perpendicular to the long axis of a cell or hypha and 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.\" [GOC:clt, ISBN:0471940526]" . . "cell septum" . "cross wall" . . "septum" .