Stack of flattened cisternae (cis/medial/trans) that matures secretory cargo: glycan trimming + elongation, sulphation, sorting. Cisternal maturation model: cisternae progress cis→trans with resident-enzyme recycling.
Stack of flattened cisternae (cis/medial/trans) that matures secretory cargo: glycan trimming + elongation, sulphation, sorting. Cisternal maturation model: cisternae progress cis→trans with resident-enzyme recycling.