The sacral spinal nerve 5 (S5) is a spinal nerve of the sacral segment.[1].
It originates from the spinal column from below the 5th body of the sacrum
Sacrum, showing bodies in center.
S5 supplies the Coccygeus muscle
References
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Nerves: spinal nerves |
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| 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)
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| 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)
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| Lumbar (5) |
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| Sacral (5) |
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| Coccygeal (1) |
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