abnormal stomach glandular epithelium morphology abnormal gastric gland morphology gastric gland degeneration oxyntic gland degeneration MP:0013568 gastric follicle degeneration fundus gland degeneration a retrogressive impairment of function or destruction of any of the branched tubular glands found in the mucosa of the fundus and body of the stomach which contain parietal cells that secrete hydrochloric acid and zymogenic cells that produce pepsin Wassmann gland degeneration fundic gland degeneration gastric gland degeneration