sigmoid flexure
noun
Zoology.
an S-shaped curve in a body part.
Also called sigmoid colon.
an S-shaped curve of the large intestine between the descending colon and the rectum.
Origin of sigmoid flexure
First recorded in 1780–90
Words nearby sigmoid flexure
sigmate,
sigmatism,
sigmoid,
sigmoid artery,
sigmoid colon,
sigmoid flexure,
sigmoid sinus,
sigmoid vein,
sigmoidectomy,
sigmoiditis,
sigmoido-
British Dictionary definitions for sigmoid flexure
sigmoid flexure
noun
zoology
an S-shaped curve, as in the necks of certain birds
Medical definitions for sigmoid flexure
sigmoid flexure
n.
The S-shaped section of the colon between the pelvic brim and the third sacral segment, continuous with the rectum.
sigmoid colon