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Pronunciation: kon-strik'tor, -tor


  1. Anything that binds or squeezes a part.
  2. A muscle, the action of which is to narrow a canal; a sphincter.

[L. fr. constringo, to draw together]

See Also: inferior constrictor (muscle) of pharynx, middle constrictor (muscle) of pharynx, superior pharyngeal constrictor (muscle)

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.