Generique - Penis pen

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The length of time that you can maintain an erection after injection will vary from brand to brand and from person to person. In general, erections can last within a range of about 30 minutes to 2 hours. If you are experiencing an erection that lasts fewer than 30 minutes or longer than 2 hours, discuss this with your doctor as they may want to change your dosage amount to maximize each injection. Which erectile dysfunction injection is best? The researchers concluded that the average penis size was 8.8 cm (3.5 in) when flaccid and 12.9 cm (5.1 in) when erect. Szykman, M.; Van Horn, R. C.; Engh, A.L. Boydston; Holekamp, K. E. (2007). "Courtship and mating in free-living spotted hyenas" (PDF). Behaviour. 144 (7): 815–846. CiteSeerX 10.1.1.630.5755. doi: 10.1163/156853907781476418. Archived (PDF) from the original on 2012-11-30.

Hayes, M. Horace; Rossdale, Peter D. (March 1988). Veterinary Notes for Horse Owners: An Illustrated Manual of Horse Medicine and Surgery. Simon & Schuster. ISBN 978-0-671-76561-3 . Retrieved 1 July 2013. Julian Lombardi (1998). Comparative Vertebrate Reproduction. Springer. ISBN 978-0-7923-8336-9. Archived from the original on 26 March 2014 . Retrieved 5 December 2012. Penile injections are intended for any person who has issues with becoming erect, achieving enough stiffness for penetrative sex, or keeping an erection for the desired length of time. People with erectile dysfunction may find that penile injections are a very effective treatment that can work much faster than some other alternatives. Some people are born with micropenis, when a penis is unusually small, usually due to hormonal or genetic factors. A micropenis fulfills the same functions as an average-sized penis, but people may feel dissatisfied with its appearance. Hormonal treatment or surgery can increase its size if a person wishes.People with these conditions often seek surgery to restore a functional penis. These functions include: König, Horst Erich; Liebich, Hans-Georg (2007). Veterinary Anatomy of Domestic Mammals: Textbook and Atlas. Schattauer Verlag. ISBN 978-3-7945-2485-3 . Retrieved 23 July 2013.

Philip Caputo (1 June 2003). Ghosts of Tsavo: Stalking the Mystery Lions of East Africa. Adventure Press, National Geographic. ISBN 978-0-7922-4100-3 . Retrieved 23 July 2013. Endangered Wildlife and Plants of the World. Marshall Cavendish. 1 January 2001. pp.1460–. ISBN 978-0-7614-7194-3. Archived from the original on 28 May 2013 . Retrieved 23 January 2013.

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Premature ejaculation: Researchers are trying to determine whether a short frenulum can cause premature ejaculation and if a surgical procedure could help. Small, Meredith F. (1993). Female Choices: Sexual Behavior of Female Primates. Cornell University Press. ISBN 978-0-8014-8305-9 . Retrieved 23 July 2013. Feldhamer, George A.; Thompson, Bruce C.; Chapman, Joseph A. (2003). Wild mammals of North America: biology, management, and conservation (2nded.). Baltimore, Md.: Johns Hopkins University Press. p.432. ISBN 9780801874161. Archived from the original on 2013-11-04 . Retrieved 2013-11-08. England, Gary (15 April 2008). Fertility and Obstetrics in the Horse. John Wiley & Sons. ISBN 978-0-470-75041-4 . Retrieved 18 February 2014.

The study also found that the size of a person’s erect penis did not correlate with their flaccid penis size. In other words, a penis may have different lengths when flaccid but similar lengths when erect. They also found no link between age and penis size. Affanni, J. M.; Cervino, C. O.; Marcos, H. J. A. (2001). "Absence of penile erections during paradoxical sleep. Peculiar penile events during wakefulness and slow wave sleep in the armadillo". Journal of Sleep Research. 10 (3): 219–228. doi: 10.1046/j.1365-2869.2001.00259.x. hdl: 20.500.12110/paper_09621105_v10_n3_p219_Affanni. PMID 11696075. S2CID 22421482. Rising testosterone levels throughout life makes skin darker, with a brown or grayish hue down there. Blood flow during erections can make it reddish or even purple. Gontero P, et al. (2009). A pilot phase-II prospective study to test the 'efficacy' and tolerability of a penile-extender device in the treatment of 'short penis.'

Kelly, D. A. (2004). "Turtle and mammal penis designs are anatomically convergent". Proceedings. Biological Sciences. 271 (Suppl 5): S293–S295. doi: 10.1098/rsbl.2004.0161. PMC 1810052. PMID 15503998. Tapirs have exceptionally long penises relative to their body size. [58] [59] [60] [61] The glans of the Malayan tapir resembles a mushroom, and is similar to the glans of the horse. [62] The penis of the Sumatran rhinoceros contains two lateral lobes and a structure called the processus glandis. [63] Carnivores