The anococcygeal nerve is a sensory nerve of the pelvis[1] that arises from the coccygeal plexus.

[2] It pierces the coccygeus muscle and the sacrotuberous ligament to supply a small area of skin between the coccyx and anus,[3] as well as the sacrococcygeal joint.

[citation needed] The number of anococcygeal nerves varies between one and three.

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