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单词 midgut
释义

WordReference Random House Unabridged Dictionary of American English © 2024
mid•gut  (mid′gut′),USA pronunciation n. 
  1. Anatomy[Zool.]
    • the middle portion of the vertebrate alimentary canal, posterior to the stomach or gizzard and extending to the cecum, functioning in the digestion and absorption of food;
      the small intestine.
    • the anterior portion of the arthropod colon, composed of endodermal tissue.
  2. Anatomy, Developmental Biology[Embryol.]the middle part of the embryonic alimentary canal from which the intestines develop. Cf. foregut, hindgut. 
  • mid- + gut 1870–75

Collins Concise English Dictionary © HarperCollins Publishers::
midgut /ˈmɪdˌɡʌt/ n
  1. the middle part of the digestive tract of vertebrates, including the small intestine
  2. the middle part of the digestive tract of arthropods
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更新时间：2025/7/31 11:12:15