. "The network of interconnected tubular and cisternal structures located at the side of the Golgi apparatus distal to the endoplasmic reticulum, from which secretory vesicles emerge. The trans-Golgi network is important in the later stages of protein secretion where it is thought to play a key role in the sorting and targeting of secreted proteins to the correct destination." . . "TGN" . "late Golgi" . "trans-Golgi network" . "Golgi trans face" . "Golgi trans-face" . "maturing face" . "trans Golgi network" . . . .