The first of three sections of the small intestine, the duodenum, produces large quantities of mucus to protect the intestinal lining from acid in the chyme. Measuring about 20 feet (6 meters ...

Records of 21 peroral-duodenal-biopsy-specimens containing Brunner's glands were found in the files of the Gastroenterology Section of the Grace-New Haven Community Hospital and the Pathology ...