Penis Canis

Penis Canis
The penis is the male copulatory organ. It is formed from three parts; two Corpora cavernosa, comprising of cavernous tissue and a connective tissue sheath the tunica albuginea, and the single Corpus Spongiosum which contains the urethra encased in a vascular tissue sleeve. There are two types of penis: the musculovascular and fibroelastic penis.

The corpus cavernosum is made up from the paired columns of cavernous tissue surrounded by connective tissue known as the crura of the penis or corpora cavernosa.

The corpus spongiosum is a vascular tissue sleeve surrounding the urethra. It commences at the bulb of the penis as an enlargement of the spongy tissue of the pelvic urethra. At the end of the penis the corpus spongiosum expands over the distal end of the corpus cavernosum to form the Glans penis , bringing the urethra to the extremity of the penis. There is a great variation in the morphology of the glans penis between species which often correspond to the female tract morphology. For example the boars “corkscrew” glans penis corresponds to the many interdigitating prominences of the sow’s cervix. The glans penis is highly populated with sensory nerves.

The prepuce is the skin sheath that conceals the penis when it is flaccid and is formed by an invagination of the abdominal skin. The prepuce is hairless and contains many smegma secreting glands important for lubrication between the shaft of the penis and the prepuce during copulation. Within the prepuce are varying amounts of striated muscle fibres; the cranial prepucial muscles responsible for retracting the prepuce and the caudal prepucial muscles responsible for protracting the prepuce.

The artery of the penis is a direct branch off the internal pudendal artery. It splits into three branches:

The prepuce covering the flaccid penis is supplied by anastamosis between the external pudendal artery and the artery of the penis.

Lymph from the penis and prepuce drains into the superficial inguinal lymph nodes.

From Wikipedia, the free encyclopedia

^ Jump up to: a b Taylor, Kräupl K. (October 20, 1979). "Penis captivus – did it occur?" . British Medical Journal . 2 (6196): 977–978. doi : 10.1136/bmj.2.6196.977 . PMC 1596579 . PMID 509182 . The "medical man named Davis, not otherwise identified," whose account Kräupl Taylor cites in the fifth paragraph is actually Sir William Osler's fictitious surgeon 'E.Y. Davis'. (See "Hoax report" below.)

^ Jump up to: a b Musgrave, Brendan (1980). "Penis captivus has occurred" . British Medical Journal , January 5, 1980, p. 51

^ Moor, Elisabeth (1975). An Impossible Woman: The Memories of Dottoressa Moor of Capri , edited by Graham Greene. London: The Bodley Head, pp. 151–152. ISBN 0-370-10260-6

^ Golden, Richard L. (1999). The Works of Egerton Yorrick Davis, MD: Sir William Osler's Alter Ego . Osler Library, McGill University. ISBN 0-7717-0548-4 . A collection of writings by the fictitious surgical character created by Osler, 'E.Y. Davis'.

Penis captivus is a supposed occurrence during sexual intercourse when the muscles in the vagina clamp down on the penis much more firmly than usual, making it impossible for the penis to be withdrawn from the vagina. According to a 1979 article in the British Medical Journal , this condition was unknown in the twentieth century, [1] but a subsequent letter to the same journal reported an apparent case of penis captivus in 1947. [2] Penis captivus should not be confused with vaginismus , though a relation between the supposed event of penis captivus and the occurrence of vaginismus is assumed in the existing descriptions.

In an article published in the British Medical Journal in 1979, Dr F. Kräupl Taylor reviewed the literature on penis captivus and concluded that while "almost all the cases mentioned in medical publications and in textbooks are based on hearsay and rumour", two papers published by nineteenth-century German gynaecologists – Scanzoni (1870) and Hildebrandt (1872) – who had personally dealt with cases of the condition "leave no doubt about the reality of this unusual symptom", which, however, "is so rare that it is often regarded nowadays as no more than a prurient myth". Scanzoni's patient was "a completely healthy young woman, married for six months". She and her husband had to abstain from sexual intercourse because her intense vaginal contractions were "most painful to him and ... did on several occasions end in a spasm ... which sometimes lasted more than ten minutes and made it impossible for the couple to separate". Hildebrandt's patient had been married for about a year. Sexual intercourse with her husband had always been painless until one particular evening. Hildebrandt gives the husband's account of what happened:

He reported that just at the moment when he thought intercourse, which had been quite normal till then, had come to an end, he suddenly felt that he, or rather his glans , was held back deep in the vagina, tightly gripped and imprisoned, while his whole penis was in the vagina. All attempts at withdrawal failed. When he forced the attempts, he caused severe pain to himself and his wife. Bathed in perspiration through agitation, alarm and his failure to free himself, he was finally forced to resign himself to waiting in patience. He could not say how many minutes this lasted, his imprisonment seemed endless. Then — the hindrance vanished on its own; he was free.
Finding no later reports that were properly authenticated, Kräupl Taylor was of the opinion that the symptom "does not seem to have occurred in the past 100 years or so. If there had been, during that time, a case of penis captivus that needed medical intervention or admission to hospital it would have been eagerly reported in a medical journal with as much detail and evidence as possible." [1]

In a letter published in the British Medical Journal in 1980 in response to Kräupl Taylor's article, Dr Brendan Musgrave recalled that in 1947 when he was a houseman at the Royal Isle of Wight County Hospital he had seen a case of this seemingly rare condition. "I can distinctly remember the ambulance drawing up and two young people, a honeymoon couple I believe, being carried on a single stretcher into the casualty department. An anaesthetic was given to the female and they were discharged later the same morning." To check the veracity of his memory, Dr. Musgrave had rung his old friend Dr S.W. Wolfe, "who was the other houseman at the hospital at the time. He confirmed my story, his exact words being 'I remember it well.'" [2]

In her memoir An Impossible Woman (1975), Graham Greene 's friend dottoressa Elisabeth Moor recounts how she was once urgently called to the Hotel Eden-Paradiso in Anacapri , Italy. "And there I found a young German girl, in the bathtub in a pool of blood, who begged me to do what I could; I should help her as she was bleeding to death" from "a tear in the vagina". The girl had been having sex with a man and her vagina had clamped tightly around his swollen penis. In freeing his penis, the man had inflicted "a heavily bleeding tear. A very deep wound." He had then fled. After Dottoressa Moor had staunched the bleeding, she and a colleague she had summoned stitched the girl up. "She healed very well." Dottoressa Moor adds, "These cases are not as rare as you think." She mentions – though only as hearsay – "a much worse case" involving a Swiss girl that occurred in Lucerne , Switzerland, during the war and resulted in "dreadful injuries" when the man panicked: "they had got stuck inside each other. It needed two or three doctors to help to undo them." [3]

A report of the phenomenon in an 1884 article by one Egerton Yorrick Davis in the Philadelphia Medical News was later discovered to be a hoax perpetrated by Sir William Osler . [4] Historians speculate that he was annoyed by an editorial published in the same journal by Dr. Theophilus Parvin, "An Uncommon Form of Vaginismus". Both men served on that respected journal's editorial board.

From Wikipedia, the free encyclopedia

^ Howard E. Evans; Alexander de Lahunta (7 August 2013). Miller's Anatomy of the Dog - E-Book . Elsevier Health Sciences. ISBN 978-0-323-26623-9 .

^ Kim Long (1996). Wolves: A Wildlife Handbook . Big Earth Pub. ISBN 978-1-55566-158-8 . Retrieved 10 December 2012 .

^ L. David Mech (16 May 2012). Wolf . Random House Digital, Inc. pp. 172–. ISBN 978-0-307-81913-0 . Retrieved 10 December 2012 .

^ Marshall Cavendish Corporation (1 September 2010). Mammal Anatomy: An Illustrated Guide . Marshall Cavendish. pp. 252–. ISBN 978-0-7614-7882-9 . Retrieved 10 December 2012 .

^ Debra A. Carlson (2008). Reproductive Biology of the Coyote (Canis Latrans): Integration of Behavior and Physiology . pp. 67–. ISBN 978-0-549-50315-6 . Retrieved 9 February 2013 .

^ H. M. Menino (2008). Darwin's Fox and My Coyote . University of Virginia Press. pp. 101–. ISBN 978-0-8139-2675-9 . Retrieved 9 February 2013 .

^ Susan Long (2006). Veterinary Genetics and Reproductive Physiology . Churchill Livingstone Elsevier. ISBN 978-0-7506-8877-2 .

^ "Boy Dog Bumps - The Mysterious Bulbus Glandis" . Clarendon Animal Care . March 8, 2018 . Retrieved June 17, 2020 .

^ Machado, Alex Sander D.; Bas, Le; Miglino, Maria Angélica; Leiser, Rudolf; Papa, Paula de Carvalho (1990-01-06). "Genital morphology of the male South American fur seal (Arctocephalus australis) and biological implications" . Pesquisa Veterinária Brasileira . 32 : 67–78. doi : 10.1590/S0100-736X2012001300013 . ISSN 0100-736X .

The bulbus glandis (also called a bulb or knot ) is an erectile tissue structure on the penis of canid mammals . [1] [2] [3] [4] [5] [6] During mating, immediately before ejaculation the tissues swell up to lock ( tie ) the male's penis inside the female. The locking is completed by circular muscles just inside the female's vagina; this is called "the knot" tightening thus preventing the male from withdrawing. The circular muscles also contract intermittently, which has the effect of stimulating ejaculation of sperm, followed by prostatic fluid, as well as maintaining the swelling of the penis and therefore the tie, for some time. For domestic dogs the tie may last up to half an hour or more, though usually less. [7] When male canines are excited, the bulbus glandis may swell up inside the penile sheath , even if the dog has been neutered . [8]

The bulbus glandis also occurs in the penises of some pinnipeds, including South American fur seals . [9]

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Browse 382 professional animal penis stock photos available royalty-free.
Proboscis monkey. Portrait (also Long nosed Monkey, Bakantan or Monyet Belanda), Nasalis larvatus in Bako National Park, Sarawar, Borneo
Proboscis monkey portrait. (also Long nosed Monkey, Bakantan or Monyet Belanda), Nasalis larvatus in Bako National Park, Sarawar, Borneo
Ephemera. Fu Youmu is known as ephemera, are ancient and special characters, is the most primitive winged insect. A small or medium, elongated, flexible body
A Burchells Zebra Equus quagga burchelli mother with her small a cute baby. Zebras mother with baby walking on the green grass and feeding
Hyena, evening sunset light. Hyena, detail sunset portrait. Spotted hyena, Crocuta crocuta, angry animal near the water hole,. Beautiful evening. Animal with
Hyena, evening sunset light. Hyena, detail sunset portrait. Spotted hyena, Crocuta crocuta, angry animal near the water hole,. Beautiful evening. Animal with
Lyle& x27;s flying fox. Is a big bat live in the temple, Thailand, lyles, pteropus, lylei, adult, animal, biology, black, body, branch, brown, claw
Rhino with erect penis. Photo rhino with erect penis, in the early misty morning. Chitwan National Park, Sauraha, Nepal
Proboscis monkey with red penis. Proboscis monkey with obvious red penis
Cat penis, male adult. male reproductive system. a veterinarian examines a cat. Cat penis, male adult
Penis deer. Penis and deer legs sold for Chinese medicine in Canton
Penis deer. Penis and deer legs sold for Chinese medicine in Canton
Male virile masculine young horse with his penis out
Horses, Stallion with a penis on top and Mares in the pasture. Horses Stallion with a penis on top and Mares in the pasture
Mating of snails. Copulation of Helix Pomatia with visible penis and dart sac. Very low depth of field
Lord Shiva& x27;s penis and Nandi& x27;s idol on the side of cow.
Animal wildlife. Ostriches after making love. Masai Mara national park, Kenya, Africa.
Papio hamadryas, Hamadryas baboons sitting, Baby baboon is breast feeding, whilst the adult male has his penis on display. Papio hamadryas, Hamadryas baboons
A woman touches the penis of a marble lion at the entrance of the Karni Mata Rat Temple in Deshnok, India. Karni Mata Rat Temple, Deshnok, Bikaner, Rajasthan
Common bottlenose dolphin (Tursiops truncatus). Common bottlenose dolphins (Tursiops truncatus) swim with erected penises. Wild life animal
Common bottlenose dolphin (Tursiops truncatus). Common bottlenose dolphins (Tursiops truncatus) swim with erected penises. Wild life animal
Urechis unicinctus. Known as penis fish, innkeeper worm or spoon worm at a market in South Korea
Male erected penis elephant in kruger park south africa. Portrait
Proboscis monkey. Nasalis larvatus male with erected penis, Bako National Park, Sarawak, Borneo, Malaysia
Common bottlenose dolphin (Tursiops truncatus). Common bottlenose dolphins (Tursiops truncatus) have sex. Wild life animal
Thai rooster guarding the wat Buppharam temple. Thai religious rooster guardingthe wat Buppharam temple. Religious animal statues. Wat Plai Klong, also known
The baboon which is sitting with naked penis. The other baboon behind of him is looking backward.n
The baboon which is sitting with naked penis. The other baboon behind of him is looking backward.n
White horse with big penis grazing tethered. In a field. Horse eating on a leash in the green pasture. Horse tied in a rural landscape
Two Bennet wallabies. Male Bennett`s wallaby with visible penis and female kangaroo
Banana Slug at Silver Falls State Park, Oregon, USA. Saw this beauty while hiking on the trails at Silver Falls State Park, Oregon, USA. I estimate that it was
Wild animal in nature. Huge Flying Fox bat sleeping upside down on tree branch in natural environment
Fresh fat innkeeper worm at local fish market. Sale of fresh fat innkeeper worm or penis fish at local fish market
Africa- Close Up of a Wild Very Male Elephant After Bathing. Close up of a wild bull Elephant with exposed penis. He had just climbed out of a watering hole
Bully sticks for dogs. Close-up of dried chew pet treats. Dehydrated bovine penis. Beef pizzle. Selective focus
Bully sticks for dogs. Close-up of dried chew pet treats. Dehydrated bovine penis. Beef pizzle. Selective focus
The installation from big dried beef pizzles settled in flower shape on white background. Natural chewy dog treats, sophisticatedly wrapped. Dehydrated foods
Bat in the sky with excitement. Grey-headed flying-fox, Pteropus poliocephalus, f
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Sexy Stocking Wives
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