Pudendal nerve
(Redirected from Nervus pudendus)
Pudendal Nerve
The Pudendal Nerve is a major nerve in the pelvis that supplies areas of the lower body including the anus, perineum, and genitalia. It is derived from the sacral plexus, specifically the S2, S3, and S4 nerves.
Anatomy[edit | edit source]
The pudendal nerve originates from the sacral plexus, which is a network of nerves in the pelvis. It then travels through the Alcock's canal, a pathway in the pelvis, before branching off to supply various areas of the lower body.
Branches[edit | edit source]
The pudendal nerve has three main branches:
- Inferior rectal nerve: This branch supplies the anus and the skin around it.
- Perineal nerve: This branch supplies the perineum, the area between the anus and the genitals.
- Dorsal nerve of the penis or clitoris: This branch supplies the penis in males and the clitoris in females.
Function[edit | edit source]
The pudendal nerve has both sensory and motor functions. It provides sensation to the genitals, the skin around the anus, and the perineum. It also controls the muscles that help in urination and defecation.
Clinical significance[edit | edit source]
Damage to the pudendal nerve can lead to a variety of conditions, including pudendal neuralgia, a type of chronic pelvic pain. Other conditions that can result from pudendal nerve damage include sexual dysfunction, urinary incontinence, and fecal incontinence.
See also[edit | edit source]
References[edit | edit source]
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