乙狀結腸是結腸終末部分,通常位於盆腔中,上在左髂嵴平面與降結腸相連,下在第三骶椎平面與直腸相接,長約40~50cm,因呈「乙」狀彎曲而得名。
參考資料
- 《人體解剖學》,北醫大協和醫大聯合出版社,2001年
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