![Thoracic spinal nerve 12 Thoracic spinal nerve 12](https://upload.wikimedia.org/wikipedia/commons/thumb/9/9f/Sobo_1909_612.png/400px-Sobo_1909_612.png)
The thoracic spinal nerve 12 (T12) is a spinal nerve of the thoracic segment.
It originates from the spinal column from below the thoracic vertebra 12 (T12).
It may also be known as the subcostal nerve.
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