Found 2 items, similar to sigmoid flexure.
English → English (WordNet) Definition: sigmoid flexure sigmoid flexure n : the s-shaped curve between the descending colon and the rectum [syn: sigmoid colon]
English → English (gcide) Definition: Sigmoid flexure Sigmoid \Sig"moid\, Sigmoidal \Sig*moid"al\, a. [Gr. ???; ??? sigma + e'i^dos form, likeness: cf. F. sigmo["i]de.] Curved in two directions, like the letter S, or the Greek [sigmat]. [1913 Webster] 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. [1913 Webster]