In this video, we look at the 4 layers and the characteristic histological features of the large intestine and the rectoanal junction. We discuss how each layer facilitates the digestive function of large intestine. 0:00 overview of stomach and small intestine 1:03 characteristic features of large intestine 1:07 mucosa of large intestine 1:14 goblet cells of large intestine 1:37 intestinal glands 2:05 submucosa of large intestine 2:09 muscularis externa of large intestine 2:14 serosa of large intestine 2: 27 histological slide of large intestine 5:27 rectoanal junction 6:34 histological slide of rectoanal junction