NCIt related terms : SMALL INTESTINE, ILEUM; Ileal structure (body structure);
NCIt definition : The final section of the small intestine.;
Alternative definition : ICDO3: excludes ileocecal valve C18.0; CDISC: The portion of the small intestine between the jejunum and large intestine.; UBERON: The portion of the small intestine that extends from the jejunum to the colon.;