gastric chief peptic, gastric zymogenic cell.

acid anatomical anatomy apparatus biology body cell cells chief columnar diagram digestive endoplasmic enzyme epithelial epithelium foveolar gastric gastrin gland glands golgi granules graphic gut health histology human illustration lining medical medicine microscope microscopic microvilli mitochondrion mucin mucosa mucous mucus neck nucleus organs parietal pepsin peptic physiology pit pits release reticulum science secrete secretory stomach structure substance surface tract vector vesicles zymogen zymogenic