Search Result for "sigmoid_flexure":
Wordnet 3.0

NOUN (1)

1. the s-shaped curve between the descending colon and the rectum;
[syn: sigmoid colon, sigmoid flexure]


The Collaborative International Dictionary of English v.0.48:

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]
WordNet (r) 3.0 (2006):

sigmoid flexure n 1: the s-shaped curve between the descending colon and the rectum [syn: sigmoid colon, sigmoid flexure]