Parietal Hydrochloric acid Via proton pump/K+H+ATPase
Foveolar Secrete mucus Lines gastric wall
Protection against acid
Chief (fundic/oxyntic glands) Pepsinogen Broken by HCl pepsin
for protein digestion
G (pyloric glands) Gastrin Stimulate HCl production
Enterochromaffin-like (ECL) Histamine released Stimulate HCl production