Anococcygeal nerve

Anococcygeal Nerve

The anococcygeal nerve is a branch of the coccygeal plexus. (Image from Gray's Anatomy)

The anococcygeal nerve is a small nerve in the human body that arises from the coccygeal plexus. It provides sensory innervation to the skin over the coccyx (tailbone) and the area between the coccyx and the anus, known as the anococcygeal region.

Structure

The anococcygeal nerve is a branch of the coccygeal plexus, which is formed by the ventral rami of the sacral nerve S4 and the coccygeal nerve. It travels posteriorly to the coccyx and innervates the skin of the anococcygeal region.

Function

The anococcygeal nerve carries sensory information from the skin over the coccyx and the anococcygeal region to the central nervous system. This includes sensations of touch, temperature, and pain.

Clinical significance

Damage to the anococcygeal nerve can result in loss of sensation in the anococcygeal region. This can occur due to trauma, surgery, or diseases such as neuropathy.

See also

• Coccygeal plexus
• Sacral nerves
• Coccygeal nerve

References

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