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Pudendal canal information


Pudendal canal
Coronal section of pelvis, showing arrangement of fasciæ. Viewed from behind. (Alcock's canal labelled at bottom right.)
Pudendal nerve and its course through the pudendal canal (labelled in yellow)
Details
Identifiers
Latincanalis pudendalis
TA98A09.5.04.003
TA22436
FMA22071
Anatomical terminology
[edit on Wikidata]

The pudendal canal (also called Alcock's canal) is an anatomical structure formed by the obturator fascia (fascia of the obturator internus muscle) lining the lateral wall of the ischioanal fossa. The internal pudendal artery and veins, and pudendal nerve pass through the pudendal canal, and the perineal nerve arises within it.[1]

  1. ^ "canalis pudendalis". TheFreeDictionary.com. Retrieved 2023-06-14.

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Pudendal canal

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The internal pudendal artery and veins, and pudendal nerve pass through the pudendal canal, and the perineal nerve arises within it. Pudendal nerve entrapment...

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Pudendal nerve

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called pudendal anesthesia or pudendal block. The pudendal canal that carries the pudendal nerve is also known by the eponymous term "Alcock's canal", after...

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Pudendal nerve entrapment

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diagnosis of pudendal nerve entrapment," meaning that it is possible to have all the symptoms of pudendal nerve entrapment (otherwise known as pudendal neuralgia)...

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Internal pudendal veins

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internal pudendal artery. Internal pudendal veins are enclosed by pudendal canal, with internal pudendal artery and pudendal nerve. They begin in the deep...

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Internal pudendal artery

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foramen. It travels through the pudendal canal with the internal pudendal veins and the pudendal nerve. The internal pudendal artery gives off the following...

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Perineal nerve

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perineal nerve is a nerve of the pelvis. It arises from the pudendal nerve in the pudendal canal. It gives superficial branches to the skin, and a deep branch...

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Pudendal anesthesia

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Pudendal anesthesia (pudendal nerve block, pudendal block or saddle block) is a form of local anesthesia. Pudendal anesthesia can be used to diagnose as...

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Perineum

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anal canal; its base is the skin anal canal pudendal canal – contains internal pudendal artery and the pudendal nerve The anogenital distance is a measure...

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Posterior scrotal nerves

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itself a branch of the pudendal nerve. The pudendal nerve arises from spinal roots S2 through S4, travels through the pudendal canal on the fascia of the...

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Vulva

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support. Blood supply to the vulva comes from the three pudendal arteries. The internal pudendal veins give drainage. Afferent lymph vessels carry lymph...

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Nerve compression syndrome

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of cycling can be associated with pudendal nerve entrapment, as there is often direct compression on the pudendal nerve between the nose of the bicycle...

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Anal canal

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internal pudendal artery) The anal verge refers to the distal end of the anal canal, a transitional zone between the epithelium of the anal canal and the...

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Inferior anal nerves

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SUNY Downstate Medical Center - "The Female Perineum: Contents of the Pudendal Canal" Anatomy figure: 41:04-10 at Human Anatomy Online, SUNY Downstate Medical...

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List of human anatomical parts named after people

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Apollo's belt – Adonis, Apollo, Greek mythological characters Alcock's canal (pudendal canal) – Benjamin Alcock (1801–1859?), Irish anatomist Artery of Adamkiewicz – Albert...

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Inferior rectal artery

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the lower third of the anal canal below the pectinate line. The inferior rectal artery arises from the internal pudendal artery as it passes above the...

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Nerve decompression

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MR tractography: A novel diagnostic tool for extraspinal sciatica and pudendal neuralgia?". Magnetic Resonance Imaging. 83: 107–113. doi:10.1016/j.mri...

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Ischioanal fossa

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include: Inside Alcock's canal, on the lateral wall internal pudendal artery internal pudendal vein pudendal nerve Outside Alcock's canal, crossing the space...

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Nerve block

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for which landmark-guidance still has comparable accuracy, such as the pudendal nerve. Fluoroscopy is an imaging technique that uses X-rays to obtain real-time...

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Benjamin Alcock

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canal, and an associated disease, Alcock canal syndrome, also known as pudendal nerve entrapment or pudendal neuralgia. Born in Kilkenny, Ireland, he...

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Vagina

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and near the pudendal nerve. Because the pudendal nerve carries motor and sensory fibers that innervate the pelvic muscles, a pudendal nerve block relieves...

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Human anus

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and innervation from the inferior rectal nerves, which branch from the pudendal nerve. The pseudostratified columnar epithelium of the gastrointestinal...

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Bulbospongiosus muscle

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deep or muscular branch of the perineal nerve, which is a branch of the pudendal nerve. In males, the bulbospongiosus is located in the middle line of the...

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Femoral artery

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external pudendal artery is a small branch that runs medially to supply the skin of the scrotum or labium majus as. The deep external pudendal artery runs...

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Pelvic pain

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PMID 32005088. Ghanavatian S, Leslie SW, Derian A (May 30, 2023). "Pudendal Nerve Block". Pudendal nerve block in StatPearls. National Library of Medicine. PMID 31855362...

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Rectal prolapse

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the pelvic floor that affects multiple pelvic organs. Proximal bilateral pudendal neuropathy has been demonstrated in patients with rectal prolapse who have...

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Muscular branches of perineal nerve

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the perineal nerve, itself a branch of the pudendal nerve. It pierces the medial wall of the pudendal canal. The dorsal nerve of the penis for males and...

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Fecal incontinence

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nerves supplying levator ani. The pudendal nerve is especially vulnerable to irreversible damage, (stretch-induced pudendal neuropathy) which can occur with...

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Pelvic cavity

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rectum and compress the urinary bladder, or childbirth might damage the pudendal nerves and later lead to anal weakness. The pelvis has an anteroinferior...

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Anal triangle

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Sacrotuberous ligament Sacrospinous ligament Pudendal nerve Internal pudendal artery and internal pudendal vein Anal canal Muscles Sphincter ani externus muscle...

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