musculus sphincter ani internus

 
       
  • 肛門內括約肌
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musculus sphincter ani internus的英文翻譯是什麼意思,詞典釋義與在線翻譯:

英英釋義

Noun:
  1. an internal ring of smooth muscle formed by circular fibers of the rectum

musculus sphincter ani internus的相關資料:

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