cranial nerve

https://doi.org/10.1351/goldbook.11700
Each of 12 pairs of nerves that arise directly from the brain, not from the spinal cord, and pass through separate apertures in the skull.
Source:
PAC, 2015, 87, 841. (IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)) on page 859 [Terms] [Paper]