1. The zymogen granules decreased and the mitochondria was swollen.

2. Before being released into the lumen of the acinus the content of zymogen granules becomes electron translucent and the limiting membranes of adjacent granules fuse to form duplex or short interconnected series of granules.

3. Up to 10% cash back  · Acinic cell carcinoma (ACC) is a special type of breast carcinoma showing serous differentiation, with zymogen-type cytoplasmic granules, similar to Acinic cell carcinoma arising in the parotid gland (Eusebi et al