The activation of pepsinogen inside the gastric mucosa caused by the hydrogen ion back diffusion during the course of aspirin ulceration.
D000818:Animals; D001241:Aspirin; D004058:Diffusion; D004789:Enzyme Activation; D005753:Gastric Mucosa / Q000201:enzymology*; D006863:Hydrogen-Ion Concentration; D008297:Male; D010435:Pepsinogens / Q000378:metabolism*; D051381:Rats; D013276:Stomach Ulcer / Q000139:chemically induced* / Q000201:enzymology
D010435:Pepsinogens; D001241:Aspirin