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velopharyngeal insufficiency in Medicine

velopharyngeal insufficiency

n.
  1. An anatomical deficiency in the soft palate or superior constrictor muscle resulting in the inability to achieve velopharyngeal closure and often resulting in defective speech.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.