Anococcygeal Nerve

Description

Schematic drawing of the anococcygeal nerves and adjacent structures. AN: anococcygeal nerve, GI: ganglion impar, CP: coccygeal plexus

The coccygeal plexus

Name

• Anococcygeal Nerve
• Coccygeal nerve
• Coccygeal plexus

General

• Terminal branch of the coccygeal plexus
• Supplies the skin of the post anal region

Gross Anatomy

• Originates from the coccygeal plexus
• Course is variable depending on the cited source

Sensory Innervation

• Post anal skin between the tip of the coccyx and the anus
• Sacrococcygeal Joint

Motor Innervation

• Coccygeus
• Levator Ani
• External anal Sphincter

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Clinical Significance

• Coccydynia

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See Also

• Nerve Anatomy Main

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