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出典(authority):フリー百科事典『ウィキペディア(Wikipedia)』「2016/11/21 12:22:59」(JST)
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A frenulum (or frenum, plural: frenula or frena, from the Latin frēnulum, "little bridle", the diminutive of frēnum[1]) is a small fold of tissue that secures or restricts the motion of a mobile organ in the body.
Contents
- 1 In human anatomy
- 2 In entomology
- 3 See also
- 4 References
- 5 External links
In human anatomy
Frenula on the human body include several in the mouth, some in the digestive tract, and some connected to the external genitalia.
- Brain: Frenulum veli
- Digestive tract: frenulum valvae ileocaecalis
- Oral tissue: Frenula of the mouth include the frenulum linguae under the tongue, the frenulum labii superioris inside the upper lip, the frenulum labii inferioris inside the lower lip, and the buccal frena which connect the cheeks to the gum. These can easily be torn by violent blows to the face or mouth, thus a torn frenulum is sometimes a warning sign of physical abuse.
- Penile tissue: The word frenulum on its own is often used for the frenulum of prepuce of penis or frenulum preputii penis, which is an elastic band of tissue under the glans penis that connects to the prepuce, or foreskin to the vernal mucosa, and helps contract the prepuce over the glans.
- Vulvular tissue: In females, genital frenula include the frenulum clitoridis of the clitoris and the frenulum labiorum pudendi (aka fourchette) where the labia minora meet at the back.
An overly short oral or genital frenulum may require a frenulectomy or frenuloplasty to achieve normal mobility.
In entomology
The word frenulum also refers to a bristle present at the root of the hindwing of most moths which engages with a small hook on the forewing (the retinaculum) to join the wings together.
See also
- Frenectomy, different surgical removals of frenula
- Frenuloplasty, different surgical alterations of frenula
- All pages with titles containing Frenulum
References
- ^ http://www.oxforddictionaries.com/us/definition/american_english/frenulum?searchDictCode=all
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This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (March 2015) (Learn how and when to remove this template message) |
External links
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Look up frenulum in Wiktionary, the free dictionary. |
UpToDate Contents
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English Journal
- Piroxicam and doxycycline treatment for an oral squamous cell carcinoma in an inshore bottlenose dolphin (Tursiops aduncus).
- March DT1, Blyde DJ2, Bossart GD3,4, Begg AP5, Taylor DP5, McClure V6.
- Australian veterinary journal.Aust Vet J.2016 Jun;94(6):203-207. doi: 10.1111/avj.12449. Epub 2016 May 11.
- BACKGROUND: The virus family Papillomaviridae has been documented in a wide range of animal species and can cause benign and malignant proliferative lesions. The presence of concurrent lingual papillomas and squamous cell carcinomas (SCC) in cetaceans has also been documented in both wild and captiv
- PMID 27169383
- Clinical Features and Management of a Median Cleft Lip.
- Koh KS1, Kim do Y1, Oh TS1.
- Archives of plastic surgery.Arch Plast Surg.2016 May;43(3):242-7. doi: 10.5999/aps.2016.43.3.242. Epub 2016 May 18.
- BACKGROUND: Median cleft lip is a rare anomaly consisting of a midline vertical cleft through the upper lip. It can also involve the premaxillary bone, the nasal septum, and the central nervous system. In our current report, we present the clinical features of 6 patients with a median cleft lip and
- PMID 27218021
- Columellar-Frenulum Angle - A Significant Clinical Parameter in Assessing the Degree of Severity in Unilateral Cleft Lip.
- Vathulya M, Jain P.
- The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association.Cleft Palate Craniofac J.2016 May;53(3):290-7. doi: 10.1597/13-273. Epub 2015 Oct 7.
- OBJECTIVES: The study was carried out to learn if the columellar-frenulum angle could be used as one of the most important anthropometric measurements to predict the clinical severity in unilateral cleft lip patients.SETTINGS AND DESIGN: This is a prospective case series conducted at Banaras Hindu U
- PMID 26444318
Japanese Journal
- 岡部 浩子,石井 コズヱ,難波 みち子,森 榮,伊藤 美智代,元島 梓,安村 真一,近藤 亜子,飯沼 光生,田村 康夫
- 小児歯科学雑誌 51(2), 261, 2013-04-25
- NAID 10031169113
Related Links
- frenulum [fren´u-lum] (pl. fren´ula) (L.) a small fold of integument or mucous membrane that limits the movements of an organ or part. frenulum of clitoris a fold formed by union of the labia minora on the undersurface of the clitoris. ...
- Category contains frenulum images of the male penis. The word frenulum on its own is often used for the frenulum of prepuce of penis or frenulum preputii penis, which is an elastic band of tissue under the glans penis that connects to ...
Related Pictures
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- Frenuloplasty is the surgical alteration of a frenulum when its presence restricts range of motion between interconnected tissues. Two of the common sites for a frenuloplasty a penis and tongue.
参考
http://en.wikipedia.org/wiki/Frenuloplasty