Network among the cells, or the endoplasmic reticulum (Endoplasmic reticulum) refer to the ER one cell is the facility of communication within the cell provides. Rough endoplasmic reticulum folds of the abundance formed as a membrane in them retrieved. In addition, the endoplasmic reticulum the proteins and other to the device ., the cell membranes, etc. and anywhere else that necessary pass. Two types of endoplasmic reticulum: there is no type of coarse or rough that its surface with , covered and flat type. Kind of rough place protein storage. Protein that in rough endoplasmic reticulum the rough are made to smooth endoplasmic reticulum are moved.