Mouth and Oral Cavity
 Lips |
 Tongue |
Associated Glands
 Sublingual Glands |
 Submandibular Glands |
 Parotid Glands |
Upper Gastrointestinal Tract
 Esophagus |
 Esophageal Stomach Junction |
Stomach
 Stomach |
Small Intestine
 Duodenum |
 Jejunum |
 Ileum |
Large Intestine
 Appendix |
 Colon |
 Rectum |
Anal Canal
 Anal Canal |
Associated Organs
 Liver |
 Gall Bladder |
 Pancreas |
