Coccygeal plexus

Coccygeal plexus
Plan of sacral and pudendal plexuses.
Details
From	S4-S5, coccygeal nerve
To	anococcygeal nerve
Identifiers
Latin	plexus coccygeus
TA	A14.2.07.044
FMA	45356
*Anatomical terms of neuroanatomy* [edit on Wikidata]

The coccygeal plexus is a plexus of nerves near the coccyx bone.

Structure

This plexus is formed by the fifth sacral nerve (with a contribution from S4) and the coccygeal nerve. It gives rise to the anococcygeal nerve.

Description at uams.edu
Coccyx pain (tailbone pain, coccydynia) (Peer-reviewed medical chapter, available free online at eMedicine)

Spinal nerves

Cervical	C1 C2 C3 C4 C5 C6 C7 C8 anterior Cervical plexus Brachial plexus posterior Posterior branches of cervical nerves Suboccipital – C1 Greater occipital – C2 Third occipital – C3

Thoracic	T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 anterior Intercostal Intercostobrachial – T2 Thoraco-abdominal nerves – T7–T11 Subcostal – T12 posterior Posterior branches of thoracic nerves

Lumbar	L1 L2 L3 L4 L5 anterior Lumbar plexus Lumbosacral trunk posterior Posterior branches of the lumbar nerves Superior cluneal L1–L3

Sacral	S1 S2 S3 S4 S5 anterior Sacral plexus posterior Posterior branches of sacral nerves Medial cluneal nerves

Coccygeal	anterior Coccygeal plexus posterior Posterior branch of coccygeal nerve

iliohypogastric	lateral cutaneous branch anterior cutaneous branch

ilioinguinal	anterior scrotal ♂/labial ♀

genitofemoral	femoral branch genital branch

Lateral cutaneous	patellar

obturator	anterior cutaneous posterior accessory

femoral	anterior cutaneous branches saphenous (infrapatellar medial crural cutaneous

common peroneal	lateral sural cutaneous communicating branch deep peroneal lateral terminal branch medial terminal branch dorsal digital superficial peroneal medial dorsal cutaneous intermediate dorsal cutaneous dorsal digital

tibial	medial sural cutaneous medial calcaneal medial plantar (common plantar digital nerves proper plantar digital) lateral plantar (deep branch superficial branch common plantar digital proper plantar digital)

sural	lateral dorsal cutaneous lateral calcaneal

other

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