obturator
[ ŏb′tə-rā′tər ]
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n.
A structure, such as the soft palate, that closes an opening in the body.
A prosthetic device that serves to close an opening or cleft, especially in the palate.
A stylus or removable plug used during the insertion of many tubular instruments.
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On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.