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From Wikipedia, the free encyclopedia
The sacral spinal nerve 3 (S3) is a spinal nerve of the sacral segment.[1]
| Sacral spinal nerve | |
|---|---|
The plan of the lumbosacral plexus | |
| Details | |
| Identifiers | |
| Latin | nervi spinalis |
| FMA | 6425 |
| Anatomical terminology | |
It originates from the spinal column from below the 3rd body of the sacrum.
S3 supplies many muscles, either directly or through nerves originating from S3. They are not innervated with S3 as single origin, but partly by S3 and partly by other spinal nerves. The muscles are:
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