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Pronunciation: fre'num, -na, -numz


  1. A narrow reflection or fold of mucous membrane passing from a more fixed to a movable part, serving to check undue movement of the part.
  2. An anatomical structure resembling such a fold.

Synonym(s): bridle1

[L. a bridle, curb]

Further information

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