Pudendal

Pudendal refers to the Pudendal nerve, a major nerve in the pelvis that supplies areas of the lower body such as the anus, perineum, and genitalia. The term "pudendal" is derived from the Latin word "pudenda," which means "parts to be ashamed of."

Anatomy

The pudendal nerve originates from the sacral plexus, specifically from the S2, S3, and S4 spinal nerves. It travels through the Alcock's canal and provides sensory and motor innervation to various parts of the lower body.

Branches

The pudendal nerve has three main branches:

• Inferior rectal nerve: This branch supplies the external anal sphincter and the skin around the anus.
• Perineal nerve: This branch provides sensory innervation to the perineum and motor innervation to various perineal muscles.
• Dorsal nerve of the penis or dorsal nerve of the clitoris: This branch provides sensory innervation to the genitalia.

Clinical significance

Damage to the pudendal nerve can result in a variety of symptoms, including pudendal neuralgia, erectile dysfunction, and fecal incontinence. Diagnosis is typically made through a combination of physical examination, patient history, and diagnostic tests such as MRI or nerve conduction studies. Treatment options include medication, physical therapy, nerve blocks, and in severe cases, surgery.

See also

• Nervous system
• Pelvic floor
• Sacral plexus

References

Pudendal Resources
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