Penile sheath: Difference between revisions
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{{about|the foreskin in non-human mammals|the foreskin in humans specifically|Foreskin}} |
{{about|the foreskin in non-human mammals|the foreskin in humans specifically|Foreskin}} |
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Almost all [[mammal penis]]es have foreskins or prepuces,<ref>Fahmy, Mohamed A. Baky. "Prepuce." Rare Congenital Genitourinary Anomalies. Springer Berlin Heidelberg, 2015. 33-41.</ref> although in non-human cases, the foreskin is usually a sheath (sometimes called the '''preputial sheath''',<ref name="Feldman2004">{{cite book|author=Edward C. Feldman|title=Canine and feline endocrinology and reproduction|url=https://books.google.com/books?id=elPuvsucuY8C&q=%28prepuce+OR+%22penile+sheath%22+OR+preputial%29|accessdate=25 April 2013|year=2004|publisher=Elsevier Health Sciences|isbn=978-0-7216-9315-6|pages=934–|archive-url=https://web.archive.org/web/20131231131757/http://books.google.com/books?id=elPuvsucuY8C&printsec=frontcover#v=onepage&q=(prepuce%20OR%20%22penile%20sheath%22%20OR%20preputial)&f=false|archive-date=31 December 2013|url-status=live}}</ref> '''praeputium'''<ref name="KönigHans-Georg2007">{{cite book|author1=Horst Erich König|author2=Hans-Georg Hans-Georg|author3=H. Bragulla|title=Veterinary Anatomy of Domestic Mammals: Textbook and Colour Atlas|url=https://books.google.com/books?id=QoXiBjSp368C&q=prepuce|year=2007|publisher=Schattauer Verlag|isbn=978-3-7945-2485-3|access-date=2019-12-13|archive-url=https://web.archive.org/web/20160511222813/https://books.google.com/books?id=QoXiBjSp368C&printsec=frontcover#v=onepage&q=prepuce&f=false|archive-date=2016-05-11|url-status=live}}</ref> or '''penile sheath'''<ref name="The behavior guide to African mammals: including hoofed mammals, carnivores, primates">{{cite book|title=The behavior guide to African mammals: including hoofed mammals, carnivores, primates|url=https://archive.org/details/isbn_0520080858|url-access=registration|quote=penile sheath OR penis sheath OR prepuce.|accessdate=25 April 2013|year=1991|publisher=University of California Press|isbn=978-0-520-08085-0|pages=[https://archive.org/details/isbn_0520080858/page/116 116]–}}</ref>) into which the whole penis is retracted. In [[koala]]s, the foreskin contains naturally occurring bacteria that play an important role in fertilization.<ref>{{cite web |url=http://www.uq.edu.au/news/?article=2193 |title=UQ researchers unlock another koala secret |publisher=Uq.edu.au |date=2001-05-09 |accessdate=2012-07-16 |archive-url=https://web.archive.org/web/20130512022713/http://www.uq.edu.au/news/?article=2193 |archive-date=2013-05-12 |url-status=live }}</ref> In some bat species, the prepuce contains an erectile tissue structure called the ''accessory corpus |
Almost all [[mammal penis]]es have foreskins or prepuces,<ref>Fahmy, Mohamed A. Baky. "Prepuce." Rare Congenital Genitourinary Anomalies. Springer Berlin Heidelberg, 2015. 33-41.</ref> although in non-human cases, the foreskin is usually a sheath (sometimes called the '''preputial sheath''',<ref name="Feldman2004">{{cite book|author=Edward C. Feldman|title=Canine and feline endocrinology and reproduction|url=https://books.google.com/books?id=elPuvsucuY8C&q=%28prepuce+OR+%22penile+sheath%22+OR+preputial%29|accessdate=25 April 2013|year=2004|publisher=Elsevier Health Sciences|isbn=978-0-7216-9315-6|pages=934–|archive-url=https://web.archive.org/web/20131231131757/http://books.google.com/books?id=elPuvsucuY8C&printsec=frontcover#v=onepage&q=(prepuce%20OR%20%22penile%20sheath%22%20OR%20preputial)&f=false|archive-date=31 December 2013|url-status=live}}</ref> '''praeputium'''<ref name="KönigHans-Georg2007">{{cite book|author1=Horst Erich König|author2=Hans-Georg Hans-Georg|author3=H. Bragulla|title=Veterinary Anatomy of Domestic Mammals: Textbook and Colour Atlas|url=https://books.google.com/books?id=QoXiBjSp368C&q=prepuce|year=2007|publisher=Schattauer Verlag|isbn=978-3-7945-2485-3|access-date=2019-12-13|archive-url=https://web.archive.org/web/20160511222813/https://books.google.com/books?id=QoXiBjSp368C&printsec=frontcover#v=onepage&q=prepuce&f=false|archive-date=2016-05-11|url-status=live}}</ref> or '''penile sheath'''<ref name="The behavior guide to African mammals: including hoofed mammals, carnivores, primates">{{cite book|title=The behavior guide to African mammals: including hoofed mammals, carnivores, primates|url=https://archive.org/details/isbn_0520080858|url-access=registration|quote=penile sheath OR penis sheath OR prepuce.|accessdate=25 April 2013|year=1991|publisher=University of California Press|isbn=978-0-520-08085-0|pages=[https://archive.org/details/isbn_0520080858/page/116 116]–}}</ref>) into which the whole penis is retracted. In [[koala]]s, the foreskin contains naturally occurring bacteria that play an important role in fertilization.<ref>{{cite web |url=http://www.uq.edu.au/news/?article=2193 |title=UQ researchers unlock another koala secret |publisher=Uq.edu.au |date=2001-05-09 |accessdate=2012-07-16 |archive-url=https://web.archive.org/web/20130512022713/http://www.uq.edu.au/news/?article=2193 |archive-date=2013-05-12 |url-status=live }}</ref> In some bat species, the prepuce contains an erectile tissue structure called the ''accessory corpus cavernosum''.<ref name="CrichtonKrutzsch2000">{{cite book|author1=Elizabeth G. Crichton|author2=Philip H. Krutzsch|title=Reproductive Biology of Bats|url=https://books.google.com/books?id=f1aNgZwGsYoC&q=prepuce+OR+preputial&pg=PA104|date=12 June 2000|publisher=Academic Press|isbn=978-0-08-054053-5|pages=104–}}</ref> |
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[[File:Great Dane sheath.jpg|thumb|Penile sheath of a [[Great Dane]]]] |
[[File:Great Dane sheath.jpg|thumb|Penile sheath of a [[Great Dane]]]] |
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Latest revision as of 22:10, 24 June 2024
Almost all mammal penises have foreskins or prepuces,[1] although in non-human cases, the foreskin is usually a sheath (sometimes called the preputial sheath,[2] praeputium[3] or penile sheath[4]) into which the whole penis is retracted. In koalas, the foreskin contains naturally occurring bacteria that play an important role in fertilization.[5] In some bat species, the prepuce contains an erectile tissue structure called the accessory corpus cavernosum.[6]
During musth, a male elephant may urinate with the penis still in the sheath, which causes the urine to spray on the hind legs.[7]
Male dogs have a conspicuous penis sheath.[8]
In stallions, the retractor penis muscle contracts to retract the stallion's penis into the sheath and relaxes to allow the penis to extend from the sheath.[9]
The penis sheath of a male axis deer is elongated and urine-stained. When rubbing trees with their horns, these stags sometimes move the penis back and forth rapidly inside its sheath.[10] Male bison and fallow deer have tufts of fur at the end of their penis sheaths.[11]
In rodents, the length of the prepuce is related to urine marking behavior.[12]
See also[edit]
Wikimedia Commons has media related to Mammal foreskin.
- Clitoral sheath
- Horse sheath cleaning
- Preputial glands, glands which are found in the prepuce of some male mammals
References[edit]
- ^ Fahmy, Mohamed A. Baky. "Prepuce." Rare Congenital Genitourinary Anomalies. Springer Berlin Heidelberg, 2015. 33-41.
- ^ Edward C. Feldman (2004). Canine and feline endocrinology and reproduction. Elsevier Health Sciences. pp. 934–. ISBN 978-0-7216-9315-6. Archived from the original on 31 December 2013. Retrieved 25 April 2013.
- ^ Horst Erich König; Hans-Georg Hans-Georg; H. Bragulla (2007). Veterinary Anatomy of Domestic Mammals: Textbook and Colour Atlas. Schattauer Verlag. ISBN 978-3-7945-2485-3. Archived from the original on 2016-05-11. Retrieved 2019-12-13.
- ^ The behavior guide to African mammals: including hoofed mammals, carnivores, primates. University of California Press. 1991. pp. 116–. ISBN 978-0-520-08085-0. Retrieved 25 April 2013.
penile sheath OR penis sheath OR prepuce.
- ^ "UQ researchers unlock another koala secret". Uq.edu.au. 2001-05-09. Archived from the original on 2013-05-12. Retrieved 2012-07-16.
- ^ Elizabeth G. Crichton; Philip H. Krutzsch (12 June 2000). Reproductive Biology of Bats. Academic Press. pp. 104–. ISBN 978-0-08-054053-5.
- ^ Sukumar, pp. 100–08.
- ^ George B. Schaller (15 October 2009). The Serengeti Lion: A Study of Predator-Prey Relations. University of Chicago Press. pp. 329–. ISBN 978-0-226-73660-0. Archived from the original on 28 May 2013. Retrieved 10 February 2013.
- ^ "The Stallion: Breeding Soundness Examination & Reproductive Anatomy". University of Wisconsin-Madison. Archived from the original on 2007-07-16. Retrieved 7 July 2007.
- ^ Valerius Geist (1998). Deer of the World: Their Evolution, Behaviour and Ecology. Stackpole Books. ISBN 978-0-8117-0496-0. Archived from the original on 23 June 2016. Retrieved 11 May 2013.
- ^ Fiona Reid (15 November 2006). Peterson Field Guide to Mammals of North America: Fourth Edition. Houghton Mifflin Harcourt. ISBN 978-0-547-34553-6. Archived from the original on 23 June 2016. Retrieved 11 May 2013.
- ^ Maruniak, J. A., Claude Desjardins, and F. H. Bronson. "Adaptations for urinary marking in rodents: Prepuce length and morphology Archived 2018-07-20 at the Wayback Machine." Journal of Reproduction and Fertility 44.3 (1975): 567-570.
Further reading[edit]
- Heide Schatten; Gheorghe M. Constantinescu (21 March 2008). Comparative Reproductive Biology. John Wiley & Sons. ISBN 978-0-470-39025-2.
- Peter J Chenoweth; Steven Lorton (30 April 2014). Animal Andrology: Theories and Applications. CABI. ISBN 978-1-78064-316-8.
- Kristin J. Holtgrew-Bohling (12 March 2014). Large Animal Clinical Procedures for Veterinary Technicians. Elsevier Health Sciences. ISBN 978-0-323-29035-7.
- Mating Reflexes. Ardent Media. 1974. pp. 84–. ISBN 978-0-8422-7236-0. Retrieved 11 May 2013.
- N. Norman Edward Robinson; Kim A. Sprayberry (2009). Current Therapy in Equine Medicine 6. Elsevier Health Sciences. pp. 760–. ISBN 978-1-4160-5475-7. Retrieved 11 May 2013.
- Auguste Chauveau (1887). The Comparative anatomy of the domesticated animals. D. Appleton & Company. pp. 869–. Retrieved 11 May 2013.
penile sheath OR penis sheath OR preputial sheath OR prepuce.
- Richard Doty (1 January 1976). Mammalian Olfaction, Reproductive Processes, and Behavior. Elsevier Science. pp. 126–. ISBN 978-0-323-15450-5. Retrieved 11 May 2013.
- Catherine Lamm; Chelsea Makloski (28 May 2012). Theriogenology, An Issue of Veterinary Clinics: Small Animal Practice. Elsevier Health Sciences. pp. 309–. ISBN 978-1-4557-4447-3. Retrieved 11 May 2013.
- Donald Chapman; Norma Chapman (1975). Fallow Deer: Their History, Distribution, and Biology. Dalton. ISBN 978-0-900963-50-6. Retrieved 16 May 2013.
- David M. Shackleton (1999). Hoofed mammals of British Columbia. UBC Press. ISBN 978-0-7748-0728-9. Retrieved 16 May 2013.
- Leonard Lee Rue (2 August 2004). The encyclopedia of deer: your guide to the world's deer species including whitetails, mule deer, caribou, elk, moose, and more. Voyageur Press. ISBN 978-0-89658-590-4. Retrieved 16 May 2013.
- Heather Smith Thomas (2009). The Cattle Health Handbook: Preventive Care, Disease Treatments & Emergency Procedures for Promoting the Well-being of Your Beef Or Dairy Herd. Storey Pub. ISBN 978-1-60342-090-7. Retrieved 18 May 2013.
- Thomas J. Divers (2008). Rebhun's diseases of dairy cattle. Elsevier Health Sciences. ISBN 978-1-4160-3137-6. Retrieved 18 May 2013.
- Debra M. Eldredge; Delbert G. Carlson; Liisa D. Carlson; James M. Giffin (7 January 2008). Cat Owner's Home Veterinary Handbook. John Wiley & Sons. ISBN 978-0-470-22767-1. Retrieved 7 June 2013.