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“sigmoid colon”
sigmoid colon, clon sigmoideum
1. The S-shaped part of the colon which lies in the pelvis, extending from the pelvic brim to the third segment of the sacrum, and is continuous above with the descending (or iliac) colon and below with the rectum.
2. The part of the colon that turns medially at the left iliac crest, between the descending colon and the rectum; shaped like the letter "S".
2. The part of the colon that turns medially at the left iliac crest, between the descending colon and the rectum; shaped like the letter "S".
This entry is located in the following units:
sigma; Σ, σ, ς +
(page 1)
sigmoido-, sigmo- +
(page 1)
(Greek: sigmoeides, shaped like the letter sigma; pertaining to the sigmoid flexure, the S-shaped bend in the colon; a combining form that usually denotes the sigmoid colon)