据中医脏象学说，大肠与胆囊、胃、小肠、膀胱、三焦合称“六腑”；而大腸與「肺」互為臟腑。主要功能为傳導糟粕和吸收津液。
《靈樞．腸胃》對之的描述：「回腸當臍，在環回周葉積當下，回運環反十六曲。大四寸，徑一寸寸之少半，長二丈一尺。廣腸傳脊，以受回腸，左環葉脊，上下辟，大八寸，徑二寸寸之大半，長二尺八寸。」
参看
- 脏象学说（中医理论）
外部連結
參考文獻
- Cheng, X.-n., Deng, L., & Cheng, Y. (Eds.). (1987). Chinese Acupuncture And Moxibustion. Beijing: Foreign Languages Press.
- Maciocia, G. (2005). The Foundations Of Chinese Medicine: A Comprehensive Text For Acupuncturists And Herbalists. Philadelphia, MA: Elseverier Churchill Livingstone.
- Yin, H.-h., & Shuai, H.-c. (1992). Fundamentals Of Traditional Chinese Medicine. Beijing, China: Foreign Languages Press.
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