Crohn’s & Colitis Glossary
Immune system
A system of tissues and cells in the body that work to protect it from infections and diseases.
Intestinal epithelium
A layer of cells lining the small and large intestine that helps digestion of food, absorbs nutients, and protects body against microbial infections.
Intestine
The long, tubelike organ in the abdomen that completes the process of digestion. It
consists of the small and large intestines.
