| umls-concept:C0017189 | skos:definition | NCI: 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. (NCI),MSH: Generally refers to the digestive structures stretching from the MOUTH to ANUS, but does not include the accessory glandular organs (LIVER; BILIARY TRACT; PANCREAS).,NCI: 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. | lld:umls |
