colon galen:Colon MAP:0000001 MESH:D003106 GAID:309 ZFA:0000706 UMLS:C0009368 SCTID:302508007 EMAPA:18939 AAO:0010400 EV:0100079 BTO:0000269 MAT:0000526 NCIT:C12382 CALOHA:TS-0158 Wikipedia:Colon_(anatomy) XAO:0000243 FMA:14543 MA:0000335 TAO:0000706 posterior intestine large bowel A portion of the large intestine before it becomes the rectum. In mammals, the colon is the most part of the large intestine, excluding the vermiform appendix, the rectum and the anal canal. EFO:0000361 VHOG:0000648 subdivision of digestive tract