Pudendal Nerve Anatomy

Anatomy of the pudendal nerve. The pudendal nerve emerges from the s2 s3 and s4 roots ventral rami of the sacral plexus.

2 Schematic Anatomy Of The Intrapelvic Path Of The Pudendal

The nerve extends from the sacral plexus through the pudendal canal the perineum and the gluteal area.

Pudendal nerve anatomy. There are slight differences in the nerve branches for each person but typically there are three branches of the nerve on each side of the body. The pudendal nerve is formed from the sacral plexus a network of nerve fibres located on the posterior pelvic wall. It carries sensory motor and autonomic fibers however an injury to the pudendal nerve causes sensory deficits more than motor.

The pudendal nerve is the main nerve of the perineum. Anatomy of the pudendal nerve. The condition known as pudendal neuralgia can cause both bladder and anal incontinence.

The pudendal nerve is a sensory autonomic and motor nerve that carries signals to and from the genitals anal area and urethra. These are structures located near the genital rectal and gluteal buttock regions. It carries sensory information sensation from the external genitalia and the skin around the anus and perineum.

It courses between two muscles piriformis and coccygeus muscles. The pudendal nerve is the main nerve that serves the perineum which is the area between the anus and the genitalia the scrotum in men and the vulva in women. After its formation the pudendal nerve descends and passes between the piriformis and ischiococcygeus muscles.

It carries sensation from the external genitalia of both sexes and the skin around the anus and perineum as well the motor supply to various pelvic muscles including the male or female external urethral sphincter and the external anal sphincter. A rectal branch a perineal branch and a clitoralpenile branch. It arises from the ventral rami anterior divisions of the spinal nerves s2 s3 and s4.

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