Small Intestine

**Semantic type:** Body Part, Organ, or Organ Component

**Definition:** The section of the intestines between the pylorus and cecum. The small intestine is approximately 20 feet long and consists of the duodenum, the jejunum, and the ileum. Its main function is to absorb nutrients from food as the food is transported to the large intestine.

**Synonyms:** - Gastrointestinal Tract, Small Intestine - SMALL INTESTINE - Small Bowel - Small Bowel - Small intestine - Small intestine - Small intestine, NOS - Structure of small intestine (body structure) - small bowel - small intestine - small intestine - small intestine