NCIt definition : The third division of the colon (large intestine). It communicates with the ascending
colon in the upper right-hand quadrant of the abdomen and the descending colon in
the upper left-hand quadrant.;
Alternative definition : CDISC: The third division of the colon (large intestine). It communicates with the
ascending colon in the upper right-hand quadrant of the abdomen and the descending
colon in the upper left-hand quadrant. (NCI); UBERON: The proximal-distal subdivision of colon that runs transversely across the
upper part of the abdomen, from the right to the left colic flexure. Continuous with
the descending colon.;