hind·gut /ˈhaɪn(d)ˌgʌt/
  後腸
  hind·gut /-ˌgət/ 名詞
  後腸
  Hind·gut n.  Anat. The posterior part of the alimentary canal, including the rectum, and sometimes the large intestine also.
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  hindgut
       n : the caudal part of the alimentary canal in vertebrate
           embryos