About the Lower GI Tract - NIDDK

Overview of the lower gastrointestinal (GI) tract, which consists of the large intestine and anus. Describes structural problems that affect the lower GI tract.

Lower esophageal sphincter - Media Asset - NIDDK

Mesentery - Wikipedia

The Digestive System: Parts, how it works and common digestive

Upper GI Endoscopy

Human Rectum - StoryMD

The State of Research at NIH & NIDDK - IFFGD

Journey Through the Digestive System: Small Intestine - Gastro Girl

Hemorrhoids - NIDDK

Your Digestive System and How It Works - National Digestive

Torso with the lower portion of the lungs and the gastrointestinal

Short Bowel Syndrome - NIDDK

Digestive tract - close-up cross-section of stomach - labeled

Digestive tract - labeled - Media Asset - NIDDK

Disorders of the GI Tract – Nutrition: Science and Everyday

Best Hospital for Treatment for Upper GI Tract