Medical Term:

frenum

Pronunciation: frē′nŭm, -nă, -nŭmz

Definition:

  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]

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