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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.

[Latin frēnum, bridle, from frendere, to grind; see ghrendh- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


n, pl -na (-nə)
(Anatomy) a variant spelling (esp US) of fraenum
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈfri nəm)

n., pl. -na (-nə)
a fold of membrane, as on the underside of the tongue, that checks or restrains motion.
[1740–50 < New Latin; Latin frēnum bridle]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
* Long-standing trauma and aberrant frenal attachments.
[9] Gingival recession depth is not only a factor which determines the clinical outcome, other factors like root prominence, tooth position, vestibular depth, high frenal pull, gingival thickness as well as tooth brushing technique of the patient have to be considered and should be corrected before carrying out root coverage procedure.
Complaints with the removable dental prostheses may also arise due to factors such as thick or over extended denture flange, loose or tight fitting denture, occlusal interference or frenal impingement.
Predisposing factors to gingival recession include frenal pull, underlying bone dehiscence, subgingival restorations, tooth malposition, orthodontic appliances, and thin gingival biotype.
Haemostasis was secured with 4/0 plain catgut, applying 4 in 1 frenal stitch for frenular vessels and three more stitches one on each side and one on the dorsum.
In addition, denture breakage can also be caused by faulty design and/or faulty fabrication, such as severe frenal notch, prominent torus palatinus, poor fit of denture base, and also insufficient mechanical properties of the denture base resin, which lead to failure during service [27].
Fore wing hyaline Fore wing slightly infuscate at the base of submarginal vein and base of frenal fold Marginal vein with 7 setae Marginal vein with 6 setae along anterior margin and along anterior margin and with 4 basal group setae with 5-6 basal group setae Midtibial spur about 0.5 Midtibial spur 0.6-0.8 times as long as times as long as basitarsus of mid tarsus basitarsus of mid tarsus Ovipositor 0.9 times as Ovipositor 1.1-1.38 times long as mid tibia and as long as mid tibia and third valvula 0.25 times third valvula 0.32 times as long as second valvifer as long as second valvifer Head largely brown Head largely yellow Axillae yellow Axillae brown TABLE 3.
A trip to France could be in the offing for Carlton Scroop after David Frenal's six-year-old took the 1m4f handicap under a brilliant ride from Luke Morris.
Several factors influence the development of marginal tissue recession including traumatic tooth brushing technique trauma, plaque-induced inflammation, tooth alignment, orthodontics, restorative procedures, high muscle attachment, and frenal pull.