Which is the 13th cranial nerve?

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13th CN:- Nervous terminalis/Zero nerve/Cloacle nerve - Associated with Olfactory Nerve.

answered May 8, 2013 by anonymous
selected May 8, 2013 by anonymous
commented May 9, 2013 by Sulabh Shrestha Doctor of Medicine (5,553 points)
Scientists recently found a 13th cranial nerve, which was so small and undeveloped that it was no surprise that it had been missed for hundreds of years.

The truly remarkable thing about this anatomical discovery was not the merit of the discovery it’s self, but rather the origin of such nerve. Biologists simply could not comprehend the idea that this 13th nerve, which is now called cranial nerve zero, was 100% analogous (that is, the same) as that of the vomeronasal organ in reptiles.