sigmoid folds colon结肠半月襞
sigmoid-colon乙状结肠
sigmoid valves colon结肠半月瓣
sigmoid d colon乙状结肠
tuberculosis of sigmoid colon乙状结肠结核
Sigmoid colon motility乙状结肠动力
sigmoid folds of colon结肠乙状襞
sigmoid colon lengthiness乙状结肠冗长症
mesentery of sigmoid colon乙状结肠系膜
N（名词） the S-shaped bend in the final portion of the large intestine that leads to the rectum 乙状结肠 (Also called sigmoid flexure)