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Skene's gland

From Wikipedia, the free encyclopedia
Glands located on the anterior wall of the vagina
"Periurethral glands" redirects here. For the male periurethral glands, seeUrethral gland.

Skene's gland
Human female external reproductive anatomy
Details
PrecursorUrogenital sinus
Identifiers
Latinglandula vestibularis minor
TA98A09.2.01.017
TA23564
FMA20083
Anatomical terminology

In femalehuman anatomy,Skene's glands or theSkene glands (/skn/SKEEN, also known as thelesser vestibular glands orparaurethral glands[1]) are twoglands located towards the lower end of theurethra. The glands are surrounded by tissue that swells withblood duringsexual arousal, and secrete a fluid, carried by theSkene's ducts to openings near theurethral meatus, particularly duringorgasm.

Structure and function

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See also:G-spot § Female prostate, andFemale ejaculation

The Skene's glands' openings are located in thevestibule of thevulva, around the lower end of theurethra.[2] The two Skene's ducts lead from the Skene's glands to the vulvar vestibule, to the left and right of theurethral opening, from which they are structurally capable of secreting fluid.[2][3] Although there remains debate about the function of the Skene's glands, one purpose is to secrete a fluid that helps lubricate the urethral opening.[2][3]

Skene's glands produce a milk-likeultrafiltrate ofblood plasma. The glands may be the source offemale ejaculation,[3][4][5] but this has not been proven.[4] Because they and the maleprostate act similarly by secretingprostate-specific antigen (PSA), which is anejaculate protein produced in males, andprostatic acid phosphatase, some authors refer to the Skene's glands as the "female prostate".[3][5][6] They arehomologous to the male prostate (developed from the sameembryological tissues),[7] but the homology is still a matter of research.[8] Female ejaculate may result fromsexual activity for some women, especially duringorgasm.[3][4] In addition to PSA and acid phosphatase, Skene's gland fluid contains high concentrations ofglucose andfructose.[3]

In an amount of a fewmilliliters, fluid is secreted from these glands when stimulated from inside thevagina.[9][10] Female ejaculation and squirting (secretion of large amounts of fluid) are believed by researchers to be two different processes. They may occur in combination during orgasm. Squirting alone is a sudden expulsion of liquid that at least partly comes from the bladder and contains urine, whereas ejaculation fluid includes a whitish transparent ejaculate that appears to come from the Skene's gland.[3][11]

Clinical significance

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A Skene's ductcyst, pressing theurethral opening towards the right side of the image

Disorders of the Skene's glands may include:

History

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While the glands were first described in 1672 byRegnier de Graaf and by the FrenchsurgeonAlphonse Guérin (1816–1895),[15] they were named after the ScottishgynaecologistAlexander Skene, who wrote about it inWestern medical literature in 1880.[16][17][18] In 2002,[19] the termfemale prostate as a second term afterparaurethral gland was added inTerminologia Histologica by theFederative International Committee on Anatomical Terminology. The 2008 edition notes that the term was introduced "because of the morphological and immunological significance of the structure".[20]

Other animals

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Horses,dogs,sheep, andpigs are examples of othermammals that have these glands (minor vestibular glands).[21]

See also

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Look upskene's gland in Wiktionary, the free dictionary.

References

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  1. ^"paraurethral glands" atDorland's Medical Dictionary
  2. ^abcRodriguez FD, Camacho A, Bordes SJ, Gardner B, Levin RJ, Tubbs RS (2020)."Female ejaculation: An update on anatomy, history, and controversies".Clinical Anatomy.34 (1):103–107.doi:10.1002/ca.23654.PMID 32681804.S2CID 220634920.Archived from the original on 22 November 2021. Retrieved26 September 2020.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  3. ^abcdefgPastor Z, Chmel R (2017)."Differential diagnostics of female 'sexual' fluids: a narrative review".International Urogynecology Journal.29 (5):621–629.doi:10.1007/s00192-017-3527-9.PMID 29285596.S2CID 5045626.
  4. ^abcGreenberg, Jerrold S.; Bruess, Clint E.; Oswalt, Sara B. (2014).Exploring the Dimensions of Human Sexuality.Jones & Bartlett Publishers. pp. 102–104.ISBN 978-1449648510.Archived from the original on 27 February 2023. Retrieved7 February 2018.
  5. ^abBullough, Vern L.; Bullough, Bonnie (2014).Human Sexuality: An Encyclopedia.Routledge. p. 231.ISBN 978-1135825096.Archived from the original on 15 March 2023. Retrieved7 February 2018.
  6. ^Diane Tomalty, Olivia Giovannetti et al.:Should We Call It a Prostate? A Review of the Female Periurethral Glandular Tissue Morphology, Histochemistry, Nomenclature, and Role in Iatrogenic Sexual Dysfunction. In:Sexual Medicine Reviews. Volume 10, Issue 2, April 2022, page 183–194.
  7. ^Arulkumaran, Sabaratnam; Ledger, William; Doumouchtsis, Stergios; Denny, Lynette (December 2019).Oxford Textbook of Obstetrics and Gynaecology. Oxford University Press.ISBN 9780198766360.
  8. ^Toivanen R, Shen MM (2017)."Prostate organogenesis: tissue induction, hormonal regulation and cell type specification".Development.144 (8):1382–1398.doi:10.1242/dev.148270.PMC 5399670.PMID 28400434.
  9. ^Castleman, Michael (2 January 2014)."Female ejaculation: What's known and unknown".Psychology Today. Retrieved8 May 2017.
  10. ^Heath, Desmond (1984)."An investigation into the origins of a copious vaginal discharge during intercourse: 'Enough to wet the bed' – that 'is not urine'".The Journal of Sex Research.20 (2).Taylor & Francis:194–215.doi:10.1080/00224498409551217.JSTOR 3812351.
  11. ^Salama, Samuel; Boitrelle, Florence; Gauquelin, Amélie; Malagrida, Lydia; Thiounn, Nicolas; Desvaux, Pierre (1 March 2015)."Nature and origin of 'squirting' in female sexuality".The Journal of Sexual Medicine.12 (3):661–666.doi:10.1111/jsm.12799.ISSN 1743-6095.PMID 25545022.
  12. ^Gittes, R F; Nakamura, R M (May 1996)."Female urethral syndrome. A female prostatitis?".Western Journal of Medicine.164 (5):435–438.PMC 1303542.PMID 8686301.
  13. ^Itani M, Kielar A, Menias CO, Dighe MK, Surabhi V, Prasad SR; et al. (2016)."MRI of female urethra and periurethral pathologies".Int Urogynecol J.27 (2):195–204.doi:10.1007/s00192-015-2790-x.PMID 26209954.S2CID 26054797.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  14. ^Kissinger, Patricia (5 August 2015)."Trichomonas vaginalis: a review of epidemiologic, clinical and treatment issues".BMC Infectious Diseases.15: 307.doi:10.1186/s12879-015-1055-0.PMC 4525749.PMID 26242185.
  15. ^de Graaf, Regnier (1672).De Mulierum Organis Generationi Inservientibus (in Latin). Leiden.
  16. ^Skene, Alexander J. C. (April 1880)."The anatomy and pathology of two important glands of the female urethra".The American Journal of Obstetrics and Diseases of Women and Children.13:265–70.
  17. ^Skene's glands atWhonamedit?
  18. ^Skene's ducts atWhonamedit?
  19. ^Hornstein, Theresa; Schwerin, Jeri Lynn (2013).Biology of women. Clifton Park, NY: Delmar, Cengage Learning. p. 61.ISBN 978-1-285-40102-7.OCLC 911037670.Archived from the original on 15 March 2023. Retrieved29 April 2021.
  20. ^Terminologia Histologica: International Terms for Human Cytology and Histology.Lippincott Williams & Wilkins. 2008. p. 65.ISBN 978-0781766104.Archived from the original on 15 March 2023. Retrieved27 September 2020.
  21. ^Leibich, Hans-Georg (2019).Veterinary Histology of Domestic Mammals and Birds: Textbook and Colour Atlas. 5m Publishing Limited. pp. 14–30.ISBN 978-1-78918-106-7.

Further reading

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Internal
Adnexa
Ovaries
Follicles
Other
Oogenesis
Fallopian tubes
Ligaments
Wolffian vestiges
Uterus
Regions
Layers
Ligaments
General
Vestibular glands
Vagina
External
Vulva
Labia
Clitoris
Vestibule
Blood supply
Other
Authority control databasesEdit this at Wikidata
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