An illustration of the placement of <a href="https://en.wikipedia.org/wiki/Jacobson%27s_organ" class="extiw" title="en:Jacobson's organ">Vomeronasal organ</a> (or Vomeronasal organ) in a snake.
<a href="//commons.wikimedia.org/wiki/User:Fred_the_Oyster" title="User:Fred the Oyster">Fred the Oyster</a>, German translation by <a href="//commons.wikimedia.org/wiki/User:Mongrangvebet" title="User:Mongrangvebet">Mongrangvebet</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>