Posterior branches of sacral nerves

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Nerve: Posterior branches of sacral nerves
The posterior divisions of the sacral nerves.
Areas of distribution of the cutaneous branches of the posterior divisions of the spinal nerves. The areas of the medial branches are in black, those of the lateral in red.
Latin	rami posteriores nervorum sacralium
Gray's	subject #209 924
From	sacral nerves
To	medial cluneal nerves
Dorlands / Elsevier	r_02/12691722

The posterior divisions of the sacral nerves are small, and diminish in size from above downward; they emerge, except the last, through the posterior sacral foramina.

The upper three are covered at their points of exit by the multifidus, and divide into medial and lateral branches.

[edit] See also

• Spinal nerve

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

v • d • e Nerves: spinal nerves 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)