part of contributes to morphology of small intestine ileum GAID:315 AAO:0010403 Wikipedia:Ileum MIAA:0000282 intestinum ileum CALOHA:TS-0472 EV:0100075 MESH:D007082 The portion of the small intestine that extends from the jejunum to the colon. EFO:0001334 galen:Ileum posterior intestine NCIT:C12387 lower intestine MA:0000339 VHOG:0000647 XAO:0000237 BTO:0000620 EMAPA:32764 distal intestine FMA:7208 SCTID:181249005 MAT:0000282 subdivision of digestive tract