sigmoid : Idioms & Phrases
sigmoid colon
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noun the s-shaped curve between the descending colon and the rectum
sigmoid colon.
WordNet
Sigmoid flexure
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noun the s-shaped curve between the descending colon and the rectum
sigmoid colon.
WordNet
(Anat.) , the last curve of the colon before it terminates in the rectum. See Illust. underDigestive .
Webster 1913
sigmoid sinus
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noun an S-shaped dural sinus on the temporal and occipital bones
sinus sigmoideus.
WordNet
Sigmoid valves
- .
(Anat.) SeeSemilunar valves , underSemilunar .
Webster 1913
sigmoid vein
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noun tributaries of the inferior mesenteric vein; drains the sigmoid colon
vena sigmoideus.