gastric acid production
- H+ secreted into stomach lumen by H+/K+ ATPase = "proton pump" on parietal cells
- Cl secreted along with H+ via luminal Cl channels
- about 2L produced per day
what's all that acid for
- pepsinogen → pepsin which breaks down polypeptides in the stomach
stimulation
- gastrin
inhibition
- Secretin
- VIP