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Posterior branches of sacral nerves

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Title: Posterior branches of sacral nerves  
Author: World Heritage Encyclopedia
Language: English
Subject: Medial cluneal nerves, Spinal nerves, Sacral spinal nerve 5, Superior cluneal nerves, Sacral spinal nerve 3
Publisher: World Heritage Encyclopedia

Posterior branches of sacral nerves

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
sacral nerves
medial cluneal nerves
Gray's p.924
Anatomical terms of neuroanatomy

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. In some rare cases these nerves break and cause the person's legs to become weak and eventually wither away under the person's weight.

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

See also

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

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