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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.]


n, pl -na (-nə)
(Anatomy) a variant spelling (esp US) of fraenum


(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]
References in periodicals archive ?
He discusses the clinical and biologic principles of treatment, including its necessity and advantages, its rationale, related controversies, the development of the dentition and dental occlusion, and examination, early detection, and treatment planning; the ontogeny, diagnosis, early detection, and treatment of nonskeletal problems like space management, incisor crowding, abnormal oral habits, abnormal frenum attachment, and eruption problems; and treatment of dentoskeletal problems like anterior and posterior crossbites, malocclusions, and open and deep bites.
Oral diagnosis of abnormal frenum attachments in neonates and infants ALD 2004a;10(3):26-28.
There is a definite paucity of detailed clinical evidence directly correlating the existence of abnormal frenums (frenums which appear abnormally large and\or attached especially close to the gingival margin) and maxillary midline diastemas and consistently cause the relapse movement of orthodontically approximated incisors in a midline diastema situation.

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