DICT.TW Dictionary Taiwan

 sigmoid flexure 名詞
 乙狀結腸曲

 Sig·moid Sig·moid·al a.  Curved in two directions, like the letter S, or the Greek  Sigmoid flexure Anat., the last curve of the colon before it terminates in the rectum. See Illust. under Digestive.
 Sigmoid valves. Anat. See Semilunar valves, under Semilunar.
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 sigmoid flexure
      n : the s-shaped curve between the descending colon and the
          rectum [syn: sigmoid colon]