NCIt synonyms : Gastrointestinal Tract, Small Intestine;
NCIt related terms : Small Bowel; Small intestine, NOS; Structure of small intestine (body structure);
NCIt 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.;
Alternative definition : CDISC: The villous section of the intestine extending from the pylorus to the proximal
large intestine.; NCI-GLOSS: The part of the digestive tract that is located between the stomach and
the large intestine.; UBERON: Subdivision of digestive tract that connects the stomach to the large intestine
and is where much of the digestion and absorption of food takes place (with the exception
of ruminants). The mammalian small intestine is long and coiled and can be differentiated
histologically into: duodenum, jejunum, ileum.;