Gastrointestinal Tract

**Semantic type:** Anatomical Structure

**Definition:** The upper gastrointestinal (GI) tract is comprised of mouth, pharynx, esophagus and stomach while the lower GI tract consists of intestines and anus. The primary function of the GI tract is to ingest, digest, absorb and ultimately excrete food stuff.

**Synonyms:** - Alimentary Canal - Digestive Tract - GASTROINTESTINAL TRACT - Gastrointestinal tract, NOS - Gut - alimentary part of gastrointestinal system - digestive tract - digestive tract - digestive tube - enteric tract - gastrointestinal tract