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 valves. Anat. See Semilunar valves, under Semilunar.
◄ ►
sigmoid flexure
n : the s-shaped curve between the descending colon and the
rectum [syn: sigmoid colon]