WordNet

a partition or wall especially in an ovary
(anatomy) a dividing partition between two tissues or cavities
the lower part of the female reproductive tract; a moist canal in female mammals extending from the labia minora to the uterus; "the vagina receives the penis during coitus"; "the vagina is elastic enough to allow the passage of a fetus"
of or relating to the vagina; "vaginal suppository"

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(動・植物体の)隔膜,隔壁
膣
膣の(に関する)

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2014/04/16 23:36:22」(JST)

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"Double vagina" redirects here. For the two lateral vaginas which are normally present in female marsupials, see Marsupial female reproductive system.

A vaginal septum is a congenital partition within the vagina; such a septum could be either longitudinal or transverse.

Longitudinal septum – double vagina

A longitudinal vaginal septum develops during embryogenesis when there is an incomplete fusion of the lower parts of the two mullerian ducts. As a result, there is a double vagina.^[1] There may be associated duplications of the more cranial parts of the mullerian derivatives, a double cervix, and either a uterine septum or uterus didelphys (double uterus).^[2]^[3]

The person with a longitudinal vaginal septum may be asymptomatic and not aware of the condition. If dyspareunia is a problem a simple resection of the septum could be performed.

Transverse septum

A transverse septum can form during embryogenesis when the mullerian ducts fuse improperly to the urogenital sinus. A complete transverse septum will block menstrual flow and is a cause of primary amenorrhea. The accumulation of menstrual debris behind the septum is termed cryptomenorrhea. Some transverse septa are incomplete and may lead to dyspareunia or obstruction in labor.^[4] A surgical incision will relieve the situation.

Additional images

Complete double female reproductive vaginas, double cervix and double uterus.

References

^ Varras M, Akrivis C, Demou A, Kitsiou E, Antoniou N (March 2007). "Double vagina and cervix communicating bilaterally with a single uterine cavity: report of a case with an unusual congenital uterine malformation". J Reprod Med 52 (3): 238–40. PMID 17465296.
^ Heinonen, Pentti K. (March 2006). "Complete septate uterus with longitudinal vaginal septum". Fertil. Steril. 85 (3): 700–5. doi:10.1016/j.fertnstert.2005.08.039. PMID 16500341.
^ Perez-Brayfield MR, Clarke HS, Pattaras JG (September 2002). "Complete bladder, urethral, and vaginal duplication in a 50-year-old woman". Urology 60 (3): 514. doi:10.1016/S0090-4295(02)01808-3. PMID 12350504.
^ Üstün Y, Üstün YE, Zeteroğlu Ş, Şahin G, Kamacı M (2005). "A Case of Transverse Vaginal Septum Diagnosed During Labor". Erciyes Medical Journal 27 (3): 136–138.

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1. 先天性膣奇形の診断およびマネージメント diagnosis and management of congenital anomalies of the vagina
2. 先天性子宮奇形の臨床症状および診断 clinical manifestations and diagnosis of congenital anomalies of the uterus
3. 原発性無月経の原因 causes of primary amenorrhea
4. 子宮頸部の先天性奇形および子宮頸部良性病変 congenital cervical anomalies and benign cervical lesions
5. 異所性尿管 ectopic ureter

English Journal

Practices in pelvic organ prolapse operations among surgeons: an international survey identifying needs for further research.

O'Brien S1,2, Dua A3, Vij M4.
International urogynecology journal.Int Urogynecol J.2016 Aug;27(8):1221-6. doi: 10.1007/s00192-016-2978-8. Epub 2016 Feb 19.
OBJECTIVE AND HYPOTHESIS: Our aim was to identify variation in surgical technique for treating pelvic floor disorders looking specifically at differences in approach between subspeciality trained urogynaecologists and general gynaecologists. We hypothesised that speciality trained surgeons would hav
PMID 26894606

Congenital urethrovaginal fistula with transverse vaginal septum.

Amer MI1, Ahmed Mel-S1, Ali AH1.
The journal of obstetrics and gynaecology research.J Obstet Gynaecol Res.2016 Aug;42(8):1042-5. doi: 10.1111/jog.13022. Epub 2016 May 12.
Congenital urethrovaginal fistula is an extremely rare genitourinary anomaly. Literature search identified only five reported cases, all of which were associated with urogenital abnormalities. Transverse vaginal septum is another rare condition, resulting from abnormalities in the vertical fusion be
PMID 27170419

Japanese Journal

完全中隔子宮に対し腹腔鏡補助下子宮鏡下中隔切除術を施行後に妊娠成立した1例

田尻亮祐,植田多恵子,青山瑶子,櫻木俊秀,遠山篤史,岡部佳介,中川瞳,金城泰幸,蜂須賀徹
産業医科大学雑誌 37(1), 17-22, 2015-03-01
症例は31歳,0経妊0経産.不妊を主訴に当科初診された.不妊期間は3年間あり,精査の結果完全中隔子宮が指摘された.中隔子宮以外にその他の不妊の原因となりうる異常は指摘されず,子宮鏡下子宮中隔切除術が実施された.手術は腹腔鏡補助下に行われ,合併症なく終了した.また,腹腔鏡補助下の手術であったため,術中に卵管通色素検査を施行し,両側卵管の通過を確認できた.術後にIUDを子宮内に挿入し,月経が2回起こる …
NAID 110009923660