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adj. Having the shape of the letter S.

adj. Of or relating to the sigmoid colon.

adj. Curved in two directions, like the letter "S", or the Greek ς (sigma).

adj. Semi-circular, like the lunar sigma (similar to English C).

adj. Relating to the sigmoid flexure of the large intestine.

adj. Curved in two directions, like the letter S, or the Greek ς.

Shaped like the Greek capital letter sigma in either of its forms. (See sigma, 1.)

Specifically— Of the colon, at the end of the descending colon, terminating ill the rectum.

Of the spinal column of man and a few of the highest apes, highly characteristic of the erect attitude. It does not exist in the infant.

Of the cervical vertebral of birds and some reptiles, as cryptodirous turtles, when the head is drawn in straight upon the shoulders. It disappears when the head is thrust forward and the neck thus straightened out. It is very strongly marked in long-necked buds, as herons.

Synonyms See semilunar.

n. A sigmoid curve.

n. The region of the sigmoid flexure of the colon.

adj. of or relating to the sigmoid flexure in the large intestine

adj. curved in two directions (like the letter S)

"In its course it rests upon the squama of the occipital, the mastoid angle of the parietal, the mastoid part of the temporal, and, just before its termination, the jugular process of the occipital; the portion which occupies the groove on the mastoid part of the temporal is sometimes termed the sigmoid sinus."

sigmoidal   

small (or lesser) sigmoid cavity of the ulna    sigmoid flexure    great(or greater) sigmoid cavity of the ulna    sigmoid valve    sigmoid cavity of the radius   

sigmoid artery    sigmoid valve    sigmoid fossa    sigmoid function    sigmoid flexure   

sigmoidal   

phase-lock    timelike    ensemble-average    spastic    multiline