Posterior Branch of Coccygeal Nerve

The posterior division of the coccygeal nerve does not divide into a medial and a lateral branch, but receives a communicating branch from the last sacral; it is distributed to the skin over the back of the coccyx.

This article incorporates text from a public domain edition of Gray's Anatomy.

Nerves: spinal nerves (TA A14.2, GA 9.916)
Cervical (8)

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 (12)

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 (5)

L1, L2, L3, L4, L5


anterior (Lumbar plexus, Lumbosacral trunk) · posterior (Posterior branches of the lumbar nerves, Superior cluneal L1–L3)
Sacral (5)

S1, S2, S3, S4, S5


anterior (Sacral plexus) · posterior (Posterior branches of sacral nerves, Medial cluneal nerves)
Coccygeal (1) anterior (Coccygeal plexus) · posterior (Posterior branch of coccygeal nerve)

M: PNS

anat (h/r/t/c/b/l/s/a)/phys (r)/devp/prot/nttr/nttm/ntrp

noco/auto/cong/tumr, sysi/epon, injr

proc, drug (N1B)

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