sigmoid colon
柯林斯詞典
1. N the S-shaped bend in the final portion of the large intestine that leads to the rectum 乙狀結(jié)腸 (Also called sigmoid flexure)
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1. N the S-shaped bend in the final portion of the large intestine that leads to the rectum 乙狀結(jié)腸 (Also called sigmoid flexure)