Ileoanal Anastomosis Illustrations

Figure 1.

Normal Gastrointestinal Anatomy and Physiology

1. Food enters the digestive system through the mouth.

2. Food travels the length of the esophagus.

3. Enters the stomach where the food mixes with digestive fluids.

4. Enters small intestine where digestive fluids continue to be secreted. The majority of digestion and some nutrient absorption takes place.

5. Enters large intestine or colon where water is absorbed and stool is stored.

6. Enters the rectum.

7. When patient feels the urge to pass stool, final passage of stool is through the anus.