Illustration from Anatomy &amp; Physiology, Connexions Web site
<p>OpenStax College
</p>
<ul><li>Derivative: <a href="//commons.wikimedia.org/wiki/User:%D8%B9%D9%84%D8%A7%D8%A1" title="User:علاء">علاء</a></li></ul>
CC BY 3.0
Derivative from <a href="//commons.wikimedia.org/wiki/File:2604_Nerves_Innervating_the_Urinary_SystemN.jpg" title="File:2604 Nerves Innervating the Urinary SystemN.jpg">this file</a>