sigmoid

sigmoid /sig·moid/ (sig´moid)

1. shaped like the letter C or S.

2. sigmoid colon.

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sig·moid (sgmoid) or sig·moi·dal (sg-moidl)

adj.

1. Having the shape of the letter S.

2. Of or relating to the sigmoid flexure of the colon.

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Sigmoid

The S-shaped curve of the large intestine where the colon joins the rectum.

Mentioned in: Intestinal Polyps

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sigmoid

[sig′moid]

Etymology: Gk, sigma, the letter S, eidos, form

1  adj, pertaining to an S shape.

2  n, the sigmoid colon.

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sigmoid (sig´moid),

adj of or pertaining to an S shape, as in the shape of the pelvic end of the colon prior to its joining the rectum.

sigmoid notch,

n See notch, mandibular.

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sigmoid

shaped like the letter C or S.

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sigmoid colon

the distal part of the colon of some species, such as humans, shaped like an S, from the level of the iliac crest to the rectum.

sigmoid curve

an S-shaped curve of the relationship between two variables.

sigmoid flexure of the penis

situated in the bull's penis dorsal and caudal to the scrotal neck.