Pudendal nerve
Updates to Article Attributes
The pudendal nerve arises from the S2-4 nerve roots of the anterior division of the sacral plexus. It is the nerve of the perineum and pelvic floor.
Gross anatomy
Origin
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Course
The nerve emerges from the pelvis and courses see for your self his Email is [email protected] or whatsapp himthrough the gluteal region through the greater sciatic foramen
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Within the pudendal canal the nerve divides into:
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theinferior rectal nervewhich is given off at the posterior end of the canal before the pudendal nerve continues and divides into two terminal branches: dorsal nerve of penis or clitorisperineal nerve
Both terminal branches then enter the deep perineal pouch above and below the internal pudendal artery, respectively.
The inferior rectal branch arches through the ischioanal fossa and reaches the perianal skin, as well as the external anal sphincter, supplying both.
The dorsal nerve of penis/clitoris accompanies the dorsal artery to supply the clitoris or skin of the penis. It gives no branches in the deep pouch.
The perineal branch gives off motor branches to superficial and deep perineal muscles and to the external urethral sphincter.
Relations
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passes below lower border ofpiriformis muscleas it passes through greater sciatic foramen lies on sacrospinous ligament just medial to spine of ischium as it passes through lesser sciatic foramentravels through pudendal canal with internal pudendal vessels
Variant anatomy
contributions from S1 or S5 nerve rootsinferior rectal nerve can come directly from sacral plexus or divide proximal to pudendal canalnerve plexus created by branches from inferior rectal and perineal nerves can form in ischiorectal fossa to supply external anal sphincteradditional "accessory rectal nerve" from medial aspect of pudendal nerve at the level of sacrotuberous and sacrospinous ligaments which travels distally to perineum and levator ani
-<p>The <strong>pudendal nerve</strong> arises from the S2-4 nerve roots of the anterior division of the <a href="/articles/sacral-plexus">sacral plexus</a>. It is the nerve of the <a href="/articles/perineum">perineum</a> and <a href="/articles/levator-ani-1">pelvic floor</a>.</p><h4>Gross anatomy</h4><h5>Origin</h5><p>The pudendal nerve arises from the anterior division of ventral rami of 2nd, 3rd and 4th sacral nerves of the sacral plexus.</p><h5>Course</h5><p>The nerve emerges from the pelvis and courses through the gluteal region through the <a href="/articles/greater-sciatic-foramen">greater sciatic foramen</a>, below the <a href="/articles/piriformis">piriformis muscle</a>. It then turns forward around the <a href="/articles/sacrospinous-ligament">sacrospinous ligament</a> and leaves the gluteal region through the <a href="/articles/lesser-sciatic-foramen">lesser sciatic foramen</a> (between <a href="/articles/sacrotuberous-ligament">sacrotuberous</a> and sacrospinous ligaments). It is then directed into the <a href="/articles/pudendal-canal">pudendal canal</a>, which lies on the obturator fascia above the falciform ridge on the ischial tuberosity.</p><p>Within the pudendal canal the nerve divides into:</p><ul>-<li>the <a href="/articles/inferior-rectal-nerve">inferior rectal nerve</a> which is given off at the posterior end of the canal before the pudendal nerve continues and divides into two terminal branches:</li>-<li><a href="/articles/dorsal-nerve-of-penis-or-clitoris">dorsal nerve of penis or clitoris</a></li>-<li><a href="/articles/perineal-nerve">perineal nerve</a></li>-</ul><p>Both terminal branches then enter the deep perineal pouch above and below the <a href="/articles/internal-pudendal-artery-1">internal pudendal artery</a>, respectively.</p><p>The inferior rectal branch arches through the <a href="/articles/ischioanal-fossa">ischioanal fossa</a> and reaches the perianal skin, as well as the external <a href="/articles/anal-sphincter-1">anal sphincter</a>, supplying both.</p><p>The dorsal nerve of penis/clitoris accompanies the dorsal artery to supply the clitoris or skin of the penis. It gives no branches in the deep pouch.</p><p>The perineal branch gives off motor branches to superficial and deep perineal muscles and to the external urethral sphincter.</p><h5>Relations</h5><ul>-<li>passes below lower border of <a href="/articles/piriformis">piriformis muscle</a> as it passes through greater sciatic foramen</li>-<li>lies on sacrospinous ligament just medial to spine of ischium as it passes through lesser sciatic foramen</li>-<li>travels through pudendal canal with internal pudendal vessels</li>-</ul><h4>Variant anatomy</h4><ul>-<li>contributions from S1 or S5 nerve roots</li>-<li>inferior rectal nerve can come directly from sacral plexus or divide proximal to pudendal canal</li>-<li>nerve plexus created by branches from inferior rectal and perineal nerves can form in ischiorectal fossa to supply external anal sphincter</li>-<li>additional "accessory rectal nerve" from medial aspect of pudendal nerve at the level of sacrotuberous and sacrospinous ligaments which travels distally to perineum and levator ani</li>-</ul>- +<p>The <strong>pudendal nerve</strong> arises from the S2-4 nerve roots of the anterior division of the <a href="/articles/sacral-plexus">sacral plexus</a>. It is the nerve of the <a href="/articles/perineum">perineum</a> and <a href="/articles/levator-ani-muscle">pelvic floor</a>.</p><h4>Gross anatomy</h4><p>A GREAT SPELL CASTER (DR.TAKUTA) THAT HELP<br>ME GET MY EX HUSBAND BACK, AM SO HAPPY<br>My name is LUCY SETHI from USA .I am here to<br>give testimony on how I got my husband back.<br>My husband left me for no reason 3 years ago.<br>He moved in with another woman, I felt like<br>killing myself, my life became very bitter and<br>sorrowful. Then 1 day, a friend of mine told me<br>about a great spell caster that is very good and,<br>he said he gave him some lucky numbers that he<br>played in a lottery and he won. I didn't believe it<br>because I've worked with so many of them and it<br>didn't work. He begged me further so I decided<br>to try this great spell caster called DR TAKUTA. I<br>still didn't believe. I used the spell he gave me<br>and the next day I received a call from my<br>darling husband Thomas last month. He<br>apologized and came back to me. He even gave<br>me 10,000USD as a means of compensating me.<br>I'm very happy now. please i will advise you to contact him<br>now and see for your self his Email is via____<br>[email protected] or whatsapp him<br>through the following contact on +27788634102</p><p><br>Dr.TAKUTA also cures:<br>1. HEPATITIS A,B,C<br>2. HERPES 1/2<br>3.DIABETES<br>4.STROKE.<br>5.AIDS HERBAL CURE, STDS and STI<br>6. MARRIAGE COUNSELLING<br>7.LOVE SPELL CASTING<br>8.JOB PROMOTION SPELLS<br>9.MARITAL PROBLEM<br>10.MAGIC MONEY SPELLS</p>
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