Posterior branches of sacral nerves

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

Fromsacral nerves

Tomedial cluneal nerves

Latinrami posteriores nervorum sacralium

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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.
Details
From	sacral nerves
To	medial cluneal nerves
Identifiers
Latin	rami posteriores nervorum sacralium
Anatomical terms of neuroanatomy [edit on Wikidata]

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