形容词S形的，C形的
名词S形，S状弯曲
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1. 反曲：Sigmodonhispidus棉鼠 | sigmoid反曲 | sigmoidarteries乙状结肠动脉
2. 状：筛 sifting; bolting | S状 sigmoid | 信号草 signalgrass; Brachiaria brizantha
3. 乙状结肠：胆石症 Common Bile Duct stone (CBD) | Sigmoid 乙状结肠 Jejunum | 空肠 Transverse colon
adj
1. of or relating to the sigmoid flexure in the large intestine
Synonym: sigmoidal
2. curved in two directions (like the letter S)