Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun sigmoid_colon

1 sense of sigmoid colon

Sense 1
sigmoid colon, sigmoid flexure -- (the s-shaped curve between the descending colon and the rectum)
       => colon -- (the part of the large intestine between the cecum and the rectum; it extracts moisture from food residues before they are excreted)