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单词 sphincter
释义

WordReference Random House Learner's Dictionary of American English © 2024
sphinc•ter /ˈsfɪŋktɚ/USA pronunciation   n. [countable]
  1. Anatomya circular band of muscle that encircles and closes an opening of the body or one of its hollow organs.

WordReference Random House Unabridged Dictionary of American English © 2024
sphinc•ter  (sfingktər),USA pronunciation n. [Anat.]
  1. Anatomya circular band of voluntary or involuntary muscle that encircles an orifice of the body or one of its hollow organs.
  • Greek sphinkté̄r, equivalent. to sphing-, base of sphíngein to hold tight + -tēr suffix denoting agent
  • Late Latin
  • 1570–80;
sphincter•al, sphinc•te•ri•al  (sfingk tērē əl),USA pronunciation sphinc•ter•ic  (sfingk terik),USA pronunciation sphinc•ter•ate  (sfingktər it, -tə rāt′),USA pronunciation adj. 
Collins Concise English Dictionary © HarperCollins Publishers::
sphincter /ˈsfɪŋktə/ n
  1. a ring of muscle surrounding the opening of a hollow organ or body and contracting to close it
Etymology: 16th Century: from Late Latin, from Greek sphinkter, from sphingein to grip tightly

ˈsphincteral adj
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更新时间:2024/11/10 22:34:05