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The pudendal nerve is the main nerve of the perineum. [1]: 274 It is a mixed (motor and sensory) nerve and also conveys sympathetic autonomic fibers.It carries sensation from the external genitalia of both sexes and the skin around the anus and perineum, as well as the motor supply to various pelvic muscles, including the male or female external urethral sphincter and the external anal sphincter.
Pudendal anesthesia (pudendal nerve block, pudendal block or saddle block) is a form of local anesthesia. Pudendal anesthesia can be used to diagnose as well as treat illnesses. [ 1 ] A nerve block is the use of local anesthetic (e.g lidocaine ) to inhibit the sensation of pain caused by one or multiple nerves. [ 2 ]
The pudendal nerve (along with the internal pudendal artery) then re-enters the pelvic cavity through the lesser sciatic foramen into the pudendal canal. [32] The pudendal canal is a fascial compartment located in the inferior (lower) border of the obturator internus fascia lining the lateral (side) wall of the ischiorectal fossa . [ 33 ]
Once I researched the terms "pudendal nerve" and "pudendal neuralgia"—a chronic neurological pelvic pain condition that arises from injury to the pudendal nerve—I was positive that was what I had.
Insertion: Inner surface of coccyx, levator ani of opposite side, and into structures that penetrate it. Artery: Inferior gluteal artery: Nerve: Pubococcygeus and iliococcygeus: levator ani nerve ; inferior rectal nerve from pudendal nerve (S3, S4) coccygeal plexus [1] Puborectalis: S3, S4; levator ani nerve [2] Actions: Supports the viscera in ...
They have a slightly different origin, insertion and function in males and females. In males, these muscles cover the bulb of the penis, while in females, they cover the vestibular bulbs. In both sexes, they are innervated by the deep or muscular branch of the perineal nerve, which is a branch of the pudendal nerve.
Doctors explain the reasons your penis might become numb or lose sensitivity and when you should worry about it.
The deep transverse perineal muscle is innervated by the pudendal nerve. The function of the muscle is fixation of the perineal body (central tendon of perineum), support of the pelvic floor, expulsion of semen in males and last drops of urine in both sexes. [2]