Sentence:  The small intestine and <WSD>colon</WSD> contained approximately 300 cc. of foul-smelling , sanguineous material , and the mucosa throughout was hyperemic and mottled green brown . 
Meaning of the word marked with <WSD> tags:  the part of the large intestine between the cecum and the rectum; it extracts moisture from food residues before they are excreted