結腸是什麽?查了字典說是colon,但是colon不是直腸嗎?
所有跟帖:
• 直腸是rectum,位於乙狀結腸的下端。 -豆根兒糖- ♀ (0 bytes) () 06/12/2014 postreply 10:22:39
• 直腸是rectum,位於乙狀結腸的下端。 -豆根兒糖- ♀ (0 bytes) () 06/12/2014 postreply 10:22:39
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