abnormal small intestine morphology abnormal intestinal mucosa morphology abnormal gland morphology abnormal Brunner's gland morphology abnormal duodenal gland morphology 2014-01-01T16:43:17Z MP:0012518 MPheno.ontology abnormal gland of Brunner morphology abnormal glandula duodenales Brunneri morphology abnormal glandula duodenales morphology any structural anomaly of the branched acinotubular glands found in the submucosa of the duodenum located above the Sphincter of Oddi; their main function is to produce a mucus-rich alkaline secretion (containing bicarbonate) to protect the duodenum from the acidic content of chyme, provide an alkaline condition for the intestinal enzymes to be active (thus enabling absorption to take place), and lubricate the intestinal walls; they also secrete urogastrone, which inhibits parietal and chief cells of the stomach from secreting acid and their digestive enzymes csmith