乙状结肠 yǐzhuàngjiécháng sigmoid colon Definitions Defs Origin Strokes Stroke Words Sentences Sents 乙 yǐ radical 5 The fifth radical in Chinese characters.状 狀 zhuàng affixnoun shape (bound form) appearance; form; shape结肠 結腸 jiécháng noun colon the middle part of the large intestine between the 盲肠 mángcháng and the 直肠 zhícháng; it functions to absorb water and form waste