frenum

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frenum

 [fre´num] (pl. fre´na) (L.)
a restraining structure or part; see also frenulum.

fre·num

, pl.

fre·na

,

fre·nums

(frē'nŭm, -nă, -nŭmz),
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): bridle (1)
[L. a bridle, curb]

frenum

(frē′nəm)
n. pl. fre·nums or fre·na (-nə)
A membranous fold of skin or mucous membrane that supports or restricts the movement of a part or organ, such as the small band of tissue that connects the underside of the tongue to the floor of the mouth.

fre·num

, pl. frena, pl. frenums (frē'nŭm, -nă, -nŭmz)
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 anatomic structure resembling such a fold.
3. Synonym(s): frenulum.
[L. a bridle, curb]

frenum

A membranous fold or sheet, such as the fold of mucous membrane under the tongue, that restrains movement or provides support.

fre·num

, pl. frena, pl. frenums (frē'nŭm, -nă, -nŭmz)
Narrow reflection or fold of mucous membrane passing from a more fixed to a movable part, serving to check undue movement of the part.
[L. a bridle, curb]