an increase of the number of chief and parietal cells in the gastric stump fundal glands , increase of the thickness of the mucosa due to the deepening of the crypts of the adducting and abducting loops of the small intestine , and alteration of the mucosal microrelief of the gastric stump and small intestine are noted in peptic ulcers of gastrointestinal anastomosis especially near the site of anastomosis .
C0030559
parietal
C0017136
mucosal