English: a newer, better version of of [Image:Spinal cord direv.png] and [Image:Spinal cord direv.svg]

I used as a reference.

For a discussion if this is a derivative work or not, see [2] and [3]. Most believed this diagram is based on, but not a en:derivative work of the reference.

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I release it under a -license.

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• to make derivative works
• to make commercial use of the work

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• Any of these conditions can be waived if you get permission from the copyright holder.

Your fair use and other rights are in no way affected by the above.