Posterior branches of sacral nerves
|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|
|To||medial cluneal nerves|
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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.
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