Higher Magnification of the Duodenum from a Dog

At this magnification you can clearly see the cells that make up the Brunner’s glands. Notice the size, shape and staning properties of these cells. Note also the duct that extends into the mucosa and eventaully will discharge the secretion to the surface of the intestine. The mucous secretion lubricates the surface epithelium and provides protection from the acidic chyme. PK1626. J8. PTAH. Original mag. 50x. Brunner’s glands. duodenum, small intestine, digestive system, dog.