sigmoid colon

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sig·moid co·lon

[TA]
the part of the colon describing an S-shaped curve between the pelvic brim and the third sacral segment; it is continuous with the rectum.

sigmoid colon

n.
An S-shaped section of the colon between the descending section and the rectum. Also called sigmoid flexure.

sigmoid colon

The S-shaped part of the large intestine between the descending colon and rectum.

sig·moid co·lon

(sig'moyd kō'lŏn) [TA]
The part of the colon describing an S-shaped curve between the pelvic brim and the third sacral segment; it is continuous with the rectum.
Synonym(s): colon sigmoideum [TA] .

sigmoid colon

The S-shaped lower end of the colon extending down from about the level of the brim of the pelvis to the RECTUM. Sigma is the Greek letter S.

Sigmoid colon

The final portion of the large intestine that empties into the rectum.