| Many people undergoing evaluation for celiac disease are confused by the terms used to describe the GI tract and its lining as well as the microscopic findings of small bowel biopsies. This article attempts to explain the terms in a manner that is understandable and that makes sense. The gut is the largest immune organ in the body. Besides the skin it is also the largest border of our body exposed to foreign materials or potential invaders. It consists of a long tube that begins at the entrance at the mouth and ends at the exit the anus. The small bowel is about twenty to twenty four feet in l... » Original link |
