EOG81ZHRP GO:0000902 1/87 cell morphogenesis biological_process "The developmental process in which the size or shape of a cell is generated and organized." [GOC:clt, GOC:dph, GOC:go_curators, GOC:tb] EOG81ZHRP GO:0005783 1/87 endoplasmic reticulum cellular_component "The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached)." [ISBN:0198506732] EOG81ZHRP GO:0009306 1/87 protein secretion biological_process "The controlled release of proteins from a cell." [GOC:ai]